Document:

English Translation of Wafer Supply Contract dated April 16, 2008

 Exhibit 10.12 
 Contract No.: SSC000139 
 Wafer Supply contract 
 by and between 
 Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. 

 and 
 Jiangsu AIDE Solar
Energy Technology Co., Ltd. 
 as of April, 16, 2008 

 Wafer Supply Contract 
 This Wafer Supply Contract (hereinafter referred to as the “Contract”) is concluded by and between the following two parties on April 16, 2008 in Xuzhou, Jiangsu, PRC: 
 Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. (on its own name and acts for and on behalf of relevant associated companies, as established and/or to be
established inside and/or outside the territory of PRC, partaking in the Contract and confirmed by the Buyer in writing) is an enterprise duly organized in the territory of the People’s Republic of China (“PRC”), with registered
address as No. 66, Yangshan Road, Economic Development Zone, Xuzhou City, Jiangsu Province, PRC. (Hereinafter referred to as the “Seller”) 
 and 
 Jiangsu AIDE Solar Energy Technology Co., Ltd. (on its own name and acts for and on behalf of relevant associated companies, as established
and/or to be established inside and/or outside the territory of PRC, partaking in the Contract and confirmed by the Seller in writing) is an enterprise duly organized in the territory of the People’s Republic of China, with registered address
as No. 69, Pantaoshan Road, Economic Development Zone, Xuzhou City, Jiangsu Province, PRC. (Hereinafter referred to as the “Buyer”) 
 The
Seller and the Buyer are jointly referred to as the “parties” and separately the “party”. 
 Preambles 

Whereas the Buyer and the Seller intend to establish a long-term supply and sale relationship, the Buyer intends to purchase a certain amount of wafers from the
Seller and the Seller at the same time intend to act as a supplier of the Buyer and to sell a certain amount of wafers to the Buyer. 
 Basing on such fact
as aforesaid and fact statements, guarantees and agreements made to each other of the parties, the Contract is hereby formulated as follows: 
 1.
Definition 
 Save as otherwise agreed herein or the context otherwise requires, terminologies below shall have the meanings as provided: 
 1.1 “Contract” refers to “Contract with regard to supply of wafers”, including the brief introductions and main text clauses together with all
attachments hereto as well as any and all revision, modification and supplement of the Contract as may be made by the parties subsequent to formulation of the Contract. 
 1.2 “Contract duration” refers to the duration from the date of taking effect of the Contract to the data when the Contract expires, namely, the valid term of the Contract. 
 1.3 A “Working day” refers to any business day commonly adopted by enterprises within the territory of PRC, including any Sunday or Saturday as may be declared
by the PRC government as an interim working day (“taking a work day off in exchange of a holiday”), and excluding legal festivals and holidays and other Saturdays or Sundays not exchanged for holidays. 
 1.4 “Effective date” refers to the date when the Contract is formulated. 
 1.5 “Contract year” refers to any calendar year during the Contract duration, provided that the first Contract year shall be commenced as of the Effective date of the Contract and ended on December 31,2008. 

 1.6 “Associated company”, for the purpose of any party hereto, refers to any company directly or indirectly
controlled by, or by which the party is directly or indirectly controlled, or jointly directly or indirectly under control with the party. “Control/controlled” provided herein refers to directly or indirectly have (i) more than fifty
percent (50%) (inclusive) of right to vote on shares or equity of a company, or (ii) fifty percent (50%) (inclusive) of registered capital of a company. 
 1.7 “Loss” refers to any damage award, penalty, expense, taxation, fine, deficit and other loss or expenditure (covering profit loss and/or value loss), including any interest, appropriate investigation
charge, legal charge, appropriate attorney fee and expense for other experts arising out of any lawsuit or any claim for compensation, breach of contract or taxation estimation, and shall cover expenses in all respects, especially in any and all
attorney fees incurred from (i) any investigation on or counterplea against claim for compensation from any third party, (ii) any declaration on or claim for any right against the other party as per provisions of the Contract, or
(iii) any amicable settlement made for the purposes of any case or lawsuit or any potential case or lawsuit. 
 1.8 “Intellectual property
right” refers to any right possessed regarding to any invention, discovery, improvement, utility model, appearance design, works with copyright, industrial design, calculation method, data structure, commercial secrete or proprietary
technology, product price, specification, confidential information, or any conception with commercial value. Intellectual property right shall also refers to any trademark, upholstery, trade name, domain name, as well as any other mark or sign
signifying or highlighting any products or service from any entity or under control of any entity. To be more specific, intellectual property right shall cover any and all intangible right and interest and/or privilege in connection with any and all
right and interest of any nature with regard to computer software and/or data under any circumstance in any district worldwide, as well as any application right and/or registration right regarding such right and interest as aforesaid. 
 1.9 “China” or “PRC” refers to the People’s Republic of China, for the purpose of the Contract, however, excluding Hong Kong SAR, Macao SAR and
Taiwan region. 
 1.10 “Renminbi” or “RMB” or “CNY” refers to the legal currency of PRC. 
 1.11 “Products” or “Product” refers to wafers as provided by the Seller to the Buyer as per product specification specified in Attachment A hereto;
the Seller agrees to sell and deliver such Products as per the Contract and the Buyer agrees to buy and accept such products as per the Contract. 
 1.12
“Advance payment” shall have the meanings as provided in Article 3.5.1 of the Contract. 
 1.13 “Contract amount” refers to aggregated
payment for products payable by the Buyer within the total Contract years, totaling RMB 8,483,333,269.00 (RMB Eight Billion, Four Hundred and Eight Three Million, Three Hundred and Thirty Three Thousand, Two Hundred and Sixty Nine Yuan Only).

 1.14 “Portion of Contract amount not performed” refers to the total amount not performed when the Contract is rescinded, other than any amount
not performed for any month or any year. 
 2. General provisions 
 2.1 Any and all attachments hereto shall form an integral part of the Contract and shall be equally authentic with the Contract. 
 2.2 Any and all
titles provided before the main text, and/or articles of the Contract are for index only and shall not affect the meanings, interpretation or effectiveness of the Contract. 

 2.3 For the purpose of provisions and attachments of the Contract, the Buyer shall during the valid term of the Contract
purchase and accept the products under the Contract and shall pay relevant payment for products payable. 
 2.4 For the purpose of provisions and attachments
of the Contract, the Seller shall during the valid term of the Contract sell and deliver the products under the Contract. 
 2.5 Valid term of the Contract covers eight (8) Contract years commencing from taking effect of the Contract and ending when the eighth (8th) Contract year expires; in case the Contract should be rescinded or terminated as per relevant provisions of the Contract, the valid term shall be ended on such day when the Contract were so rescinded or
terminated. 
 2.6 Any and all Associated companies of a party hereto shall sign a commitment letter in such format as per stipulations set forth in
Attachment D and acquire written confirmation from such party. Any and all Associated companies so confirmed by the party shall not without prior written consent of such party withdraw from the Contract. 
 2.7 The Contract shall be a “take or pay” contract. The Buyer understands and accepts that the Seller, on the basis of good faith of the Buyer and judgment on
quantity of products requested by the Buyer, has conducted investment involving large sums of money and extended its production capacity so as to satisfy the demand of the Buyer on products. The parties hereby accept that the following are true and
accurate statements of the parties: both parties agree to bear respectively any risk involving market price fluctuation and during the valid term of the Contract, the Buyer shall be liable for purchasing products as per products quantity set forth
herein and the Seller shall be liable for providing products as per products quantity set forth herein. Unless otherwise provided in writing, the parties shall within the valid term of the Contract absolutely and irrevocably accept products quantity
for each Contract year as specified in the Contract as per products prices set forth in Attachment C and shall pay and supply accordingly as per provisions reached. 
 2.8 The parties understand and expressly agree that the Seller shall provide products as per stipulations of Attachment A hereto only and the Buyer shall solely determine and be responsible for any practicability for
any special purpose of the products as well as any issue regarding the treatment, usage and application of such products. 
 2.9 The parties understand and
expressly agree that unless otherwise provided by the parties in a written form, prior to acquisition of a written consent from the other party, the Buyer shall not assign any product acquired from the Seller as per the Contract to any third party,
paid or not, and that the products shall be used for production of the Buyer or for production of any Associated company of the Buyer; the Buyer hereby undertakes to bear any and all liabilities so incurred for breach of this article. 
 2.10 The Seller shall be entitled to process wafers by itself or appoint any third party to process the same. Should the Buyer intend to designate any third party for
processing works, a supplement agreement shall be otherwise entered into by the parties through amicable consultations. 
 3. Supply of Products

 3.1 Products 
 Any product provided as per the
Contract shall conform to specifications set forth in Attachment A hereto and such specifications may be modified only when agreed by the parties in writing. 
 3.2 Price 
 3.2.1 During the valid term of the Contract, any unit price including tax as provided in Attachment C shall be a fixed price.
Both parties agree that once the Contract is signed, any party shall not request the other party to modify any product price out of any reason other than legal modification of tax rate of value-added tax. 

 3.2.2 Any unit price including tax as set forth in Attachment C hereto and any payment for products payable shall cover
value-added tax; in case tax rate of value-added tax changes or should the Seller be liable for deduction of any other tax for and on behalf of the Buyer when legally required by PRC laws, the unit price including tax and payment for products
payable as set forth in Attachment C shall be adjusted accordingly prior to taking effect of such new tax rate or such laws requiring for deduction of any other tax for and on behalf of the Buyer by the Seller. 
 3.3 Quantity 
 3.3.1 During the valid term of the Contract, quantity
of products that the Buyer shall purchase from the Seller and the Seller shall sell to the Buyer shall be subject to Attachment C and aggregated quantity of products within the entire Contract years totals 368,749,998 pieces. The Seller shall be
entitled to adjust (increase or decrease) within *** of quantity of products to be provided for the current month as provided in Attachment C, provided that the quantity of products to be provided for the month shall not be less than *** of
the quantity for the month as set forth in Attachment C. The portion of products decreased or increased shall be replenished or deducted accordingly by the seller within *** commencing from the first date of the following month, (namely, should the
seller adjust the supply quantity of the very month, the total quantity of the month shall meet the quantity set forth in Attachment C by replenishing or deducting the quantity supplied within *** commencing from the first date of the following
month). In addition, both parties agree that once the Contract were signed, any party shall not request the other party to adjust the quantity of products to be provided out of any cause unless otherwise specified in a written form by the parties.

 3.3.2 Both parties hereby agree that quantity adjustment monthly shall be handled as per the following approaches: 
  

	(a)	Where the Seller intends to decrease the quantity of products to be provided for a month as set forth in Attachment C, the Seller shall prior to the *** date of a month notify the
Buyer in a written form signifying the quantity of products to be provided for the following month. Quantity of products to be provided after being adjusted together with payment for products adjusted accordingly shall be subject to submission of
“Notification regarding Adjustment of Quantity of products to be provided for the Following Month”; the Buyer shall unconditionally accept such adjustment by the Seller, provided that such adjustment on quantity shall conform to
stipulations of the Contract. 

	(b)	Where the Buyer intends to increase the quantity of products to be provided for a month as set forth in Attachment C, the Buyer shall prior to the *** date of a month notify the
Seller in a written form signifying the quantity of products to be provided for the following month. Quantity of products to be provided after being adjusted together with payment for products adjusted accordingly shall be subject to submission of
“Notification regarding Adjustment of Quantity of Products to be provided for the Following Month”; the Seller shall unconditionally accept such adjustment by the Buyer, provided that such adjustment on quantity shall conform to
stipulations of the Contract. For such portion of payment for goods added accordingly caused by such adjustment by the Seller, if the Seller has any difficulty in finance, the time of such payment shall be *** (within such time the Buyer shall not
be held for any responsibility for overdue payment, provided that the original payment for products shall be paid up); the Seller may decline supplying any product to the Seller before such payment for products being paid up.

 3.3.3 Where the Seller adjusts the quantity of products to be provided, the Seller shall not be liable for any responsibility for breach of
the Contract. 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 3.4 Quality 
 3.4.1
The Seller shall guarantee only that the products to be provided conform to such specification as set forth in Attachment A; should any inconformity to specifications provided in Attachment A be discovered, the parties shall handle such case as per
provisions of article 3.6.5 of the Contract. For any claim or legal action arising out of any defect of the product, including without limitation to breach of Contract and/or infringement of product liability, the Buyer may select any right of
relief provided below and the obligation of the Seller shall explicitly be limited to (i) replace the unqualified products, or (ii) refund the purchasing price for such portion of unqualified products; or (iii) indemnify the Buyer for
the purpose of such unqualified products causing any claim, provided that such indemnification shall not exceed the purchasing price for such portion of unqualified products. 
 3.4.2 In case of any discrepancy regarding quality of any product provided, any party or both parties may entrust a legal inspection institution to inspect such products and any inspection report made by such
institution shall be binding upon both parties. Expenses for such inspection shall be paid by the party entrusting such inspection in advance and shall be assumed in the manner provided below: 
  

	(a)	as per such inspection report, in case the product indeed has any defect in quality, the expenses for inspection shall be borne by the Seller; 

	(b)	as per such inspection report, in case the product does not have any defect in quality, the expenses for inspection shall be borne by the Buyer; 

	(c)	in case the inspection institution fails to have any fixed inspection conclusion, it shall be deemed that there is any discrepancy regarding the quality of any product and the
expenses for such inspection shall be borne by the Seller. 

 3.4.3 During the duration when such inspection is made, the parties shall
continue to perform the Contract. 
 3.5 Payment 
 3.5.1 Advance payment 
 Advance payment provided herein refers to nonrefundable and irrevocable advance payment with the nature of earnest
money. The advance payment totals RMB*** (RMB*** Only); time for such payment shall be performed as per provisions set forth in Attachment B hereto. Unless otherwise specified in the Contract, the Buyer hereby expressly accept that the Buyer
understands and agrees that once the Contract were signed, the Seller shall under no circumstance refund the advance payment as aforesaid to the Buyer, in part or in whole, unless the Contract were rescinded or terminated ahead of time by the Seller
due to breach of the Contract by the Seller or the Contract is terminated by the parties. 
 The advance payment may only be deducted by payment for products
payable by the Buyer as per stipulations provided below: 
 The parties hereby confirm that as of ***, the Buyer may deduct *** of the total advance payment
for each month against the payment for products for the month. 
 In case the Contract should be rescinded or terminated ahead of time, or when the Contract
is fully performed, the Seller the within *** upon rescission or termination or the Contract being fully performed refund the residual advance payment (if any) to the Buyer (without interest), unless the Buyer materially breaches the Contract. In
case the Buyer breaches the Contract and the Buyer shall then pay default penalty or compensation to the Seller as per the Contract, the Seller shall be entitled to deduct accordingly such default penalty or compensation against the advance payment
preferential to payment for products after notification to the Buyer in writing and request the Buyer to pay such amount as equivalent to such sum deducted within *** upon such deduction so as to make up the advance payment; should the Buyer fail to
make up such deficiency on schedule, the Buyer shall be liable for responsibilities as per article 8.1.2 of the Contract. 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 3.5.2 Payment for products: The Buyer shall prior to the *** date of each month pay the Seller with payments for products
for the following month as per provisions of Attachment C of the Contract. 
 3.5.3 The Seller shall, for the purpose of products as delivered, within ***
when the payment for products was paid up by the Buyer to the Seller issue corresponding invoices to the Buyer. 
 3.5.4 The Buyer shall make the payment for
products to the bank account provided below:  
 Opening bank: *** 
 Account number: *** 
 Account name: Jiangsu
Zhongneng Polysilicon Technology Development Co., Ltd 
 If any of the information regarding bank account should be modified, the Seller shall so notify the
Buyer *** in advance in writing; such bank account shall be a bank account within the territory of PRC. Any remittance by the Buyer to such bank account as may be designated by the Seller shall be deemed a payment to the Seller. 
 3.6 Delivery 
 3.6.1 Any and all delivery of products shall conform to provisions as set forth in the schedule of Attachment C. After the Buyer paying up payments for products for the following month prior to the *** date of a month, the Seller shall
supply products from the *** date of such following month and shall complete providing such products as specified. The Seller shall make all that can to provide products to the Buyer evenly for each week. The Seller shall be entitled to decline
supplying any product to the Buyer if advance payment payable by the Buyer should not be paid up or any payment for products should not be paid up by the Buyer; in case the Buyer should have any product when any payment for products should not be
fully paid up, the Seller shall still have the property right of such products. 
 3.6.2 Place of delivery: unless otherwise agreed in writing by the
parties, products shall be delivered at the place of the Seller or any other place such as workshop field, plant or warehouse, etc. as may be designated by the Seller, provided that such places are within the administrative region of Jiangsu
province, PRC, namely, products shall be picked up by the Buyer itself. After delivery, any risk relating to any damage, lost, etc. of the products shall be assumed by the Buyer. 
 3.6.3 Packing, transportation and insurance: the Seller shall properly pack the products to be delivered to the Buyer as per packing standards set forth in Attachment E. The Seller shall be held responsible for any
and all losses arising out of any inconformity to such packing standards. After delivery of products to the Buyer, the Buyer shall be liable for transportation and risk of the products as well as any and all expenses so incurred. 
 3.6.4 In case the Buyer should out of its own reason after payments for products have been made ask for deferred delivery of products by the Seller or should without any
due cause decline accepting products as delivered by the Seller, the Seller shall grant an extended duration as *** to the Buyer and when such extended duration expires, the Seller may after serving a written notification to the Buyer turn to a
competent notary organization on the basis that any risk and expense so incurred shall be assumed by the Buyer, or sell such deferred or declined products to any third party with selling price and expenses conforming to provisions of article 8.1.1
of the Contract. The sum from deducting any and all expenses for such selling against the sum gained from such selling shall act as advance payment otherwise made by the Buyer to the Seller. 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 3.6.5 Inspection: the Buyer shall within *** upon delivery of products complete inspection of such products as delivered
and any objection so incurred shall be subject to sending a written notification regarding defects of products to the Seller within such duration. The Seller shall within *** upon receiving such notification replace such products with defects with
qualified products. In case the Buyer within *** upon delivery fails to send a written notification regarding defects of products to the Seller, it shall be deemed that the products as delivered by the Seller are qualified and conform to provisions
of Attachment A. In addition to quality inspection, the Buyer shall complete inspections on quantity, packing, etc. of products to be delivered and shall put forward it at that time when any discrepancy should be discovered. Should the Buyer fail to
conduct such inspections stipulated in the previous sentence, it shall be deemed that the Buyer has irrevocably accepted such products. 
 4. Force
majeure and exemption 
 4.1 Grounds for exemption applicable to both parties 
 4.1.1 “Force majeure” refers to any and all events uncontrollable, unforeseeable, unavoidable and unconquerable, occurred after execution of the Contract, and as a result of which one party hereto is unable
to perform its obligations under this Contract, in part or in whole. An event of force majeure includes but not limited to earthquake, typhoon, water disaster or other natural disasters, fire disaster, explosion, war, labor strike or turmoil. Should
any party be prevented from executing its obligations under the Contract or be delayed in performing its obligations under the Contract by any event of force majeure without any fault or misfeasance of the party, the party then shall not be held
responsible for being delayed in performing the Contract or for being prevented form performing the Contract and such facts shall not be construed as a breach of the Contract. Both parties hereby agree to continue to perform the Contract within ***
upon elimination of such force majeure event. Contract duration shall be extended accordingly with such duration equivalent to the period of such force majeure event preventing from performing the Contract. 
 4.1.2 Legal modification 
 In case the Contract should be prevented from
being executed due to any modification of applicable laws, the parties shall not investigate any responsibility of the other party and shall basing on the principle of equality seek and confirm new cooperation method through amicable consultations.

 4.2 Grounds for exemption applicable to the Seller 
 4.2.1
Ceasing production caused by any infectious disease, ceasing production or production capacity of a month decreased by more than *** due to ***, unexpected power failure lasting for more than *** or damaging equipments, terrorism event, malicious
destruction, military operation, sovereign act, governmental operation. 
 4.2.2 In the event that the Seller needs to inspect, repair and maintain its
equipments (no more than *** times for each year and each duration for such maintenance should be over ***, which causing a decrease in production capacity by more than ***), the Seller shall be so exempted for the month. 
 4.2.3 Supply of raw materials behind demand. “Supply of raw materials behind demand” refers to any case where there is material insufficiency in raw materials
as needed for production of silicon materials in the market rather than price factors (including the case where “price available while goods unavailable”). 

 4.3 Notification and reply 
 Any party affected by any force majeure event or other ground for exemption shall notify the other party without delay in writing signifying the same, covering full explanation of such force majeure event or such ground for exemption, as
well as the existing status of such event or ground, and any and all measures taken or to be taken by the party affected striving for eliminate any and all adverse effects from such event. The party affected by any force majeure event or other
ground for exemption shall take all necessary measures with due diligence so as to conquer any adverse effect from being delayed in performance of the Contract and on the ground not requiring any other expense from the other party take all necessary
measures so as to make up for the time so deferred. 
 5. Intellectual property right 
 Any and all drawings, data, design, instruments, equipments, program, engineering modification, invention, commercial secrete, copyright, right of wires layout, source code, result code, patent right application,
proprietary technology, computer and/or product software (including partial software), trademark right, technical information and other information as developed, produced or provided by the Seller during the course of development, production or
manufacturing of the product shall exclusively belong to the Seller (or the Seller’s licensor, if any). Any and all stipulations of the Contract shall not be deemed that any of such intellectual property right has been granted to the Buyer.

 6. Confidentiality obligation and confidential information 
 6.1 The parties (including any Associated company of each party) accept and agree that any information (including investigation information, technical information, product development information, marketing plan or conditions, product
information, business strategies information as well as other similar information) regarding terms and conditions of the Contract and exchanged for the purpose of the Contract shall form the “confidential information” of the party
disclosing such information (hereinafter referred to as the “disclosing party”). The abovementioned confidential information is exchanged for the purposes that the parties may appropriately perform their obligations and responsibilities
under the Contract respectively. Within the Contract duration and *** year after termination or dissolution of the Contract, any party receiving any Confidential information (including such party’s any employee, attorney, financial consultant,
senior official, directors and/or shareholders) (hereinafter referred to as the “receiving party”) shall not without prior written consent from the disclosing party in any method use any clause of the Contract or any confidential
information received from the disclosing party, nor shall the receiving party release, disclose or inform such confidential information to any individual, enterprise, company or entity. Notwithstanding the above provisions, any party may under any
of the following circumstances release, disclose or inform any of its Associated companies with the terms and conditions of the Contract or any confidential information received from the disclosing party: such Associated company undertakes to
strictly keep the confidentiality of such information as aforesaid, provided that such Associated company for the purpose of performance of the Contract has to be informed of such information. Each party hereto further undertakes that the receiving
party shall take all measures with such degree no lower than those for keeping the confidentiality of the receiving party’s own confidential information so as to keep such confidential information received from the disclosing party, provided
that, however, the receiving party shall implement all necessary measures with due care and diligence for the purpose for keeping such confidential information from being released or disclosed. Confidential information shall not cover the following
particulars: 
  

	(a)	any information obtained by the receiving party prior to disclosure by the disclosing party to the receiving party; 

  

	(b)	any information publicly available without the fault of the receiving party; 

  

	(c)	any information legally obtained from any third party and without any restriction on disclosure; 

  

	(d)	any information solely developed by the receiving party; 

  

	(e)	any information so released that a written grant for releasing from the disclosing party has been acquired as per the Contract; or 

	(f)	any information disclosed as per requirements of any applicable laws or for the purpose of submission of financial reports, provided that for the purpose of the party requesting for
such disclosure may under available circumstances shall notify the other party and under any appropriate circumstance grant the other party with rational chances to ask for cancellation for such disclosure. 

 6.2 The receiving party shall keep confidentiality of any and all confidential information received and save as for performance of obligations under the Contract the
receiving party shall not reproduce or use such confidential information. After completion of performance of obligations under the Contract or when being requested by the disclosing party, the receiving party shall return any and all confidential
information as received to the disclosing party. 
 6.3 The receiving party accepts and agrees that any illegal use or disclosure of any confidential
information as aforesaid may induce irreplaceable loss and any and all relives made according to laws may not be able to replenish the loss suffered by the disclosing party; therefore, should the receiving party has breached or intends to breach the
provisions of this article, the disclosing party may in addition to execution of any other rights exercisable and the right of relief apply for injunction relief so as to bar such breaches. 
 6.4 Each party (including any Associated company informed of any confidential information as per the Contract) agrees that any party hereto without prior consent of the
other party shall not release or disclose publicly any pronunciamento, report, statement or message regarding any transaction, any clause with regard to the Contract or under the Contract. Notwithstanding the provisions of the previous sentence, any
party or any Associated company of such party may disclose any content of the Contract on the ground of compulsive requirements of local laws and any applicable laws. The parties may subsequent to an agreement on detailed contents for news release
as may be reached release the same regarding to the execution and contents of the Contract. 
 7. Proprietorship and utilization regarding to drawings,
documents and other items 
 Any and all drawings, blueprint, abrasive tools, models, devices, forme and any other item or document as may be supplied or
made by the Seller for the purpose of development, production or manufacturing of the products under the Contract shall exclusively belong to the Seller and upon the termination or dissolution of the Contract, they shall be returned to the Seller
without delay. For the purpose of any and all drawings, blueprint, abrasive tools, models, devices, forme and any other item or document as may be supplied or made by the Seller, the Buyer may use only for performance of the Contract and shall not
use such items for any purpose in favor of any other party. 
 8. Breach, termination and recession 
 8.1 Buyer’s responsibilities for not conforming to the Contract in purchasing and/or paying 
 8.1.1 In case the Buyer fails to purchase products for a month from the Seller as per the quantity stipulated in the Contract, the Seller may at its own discretion sell such portion of products not purchased by the
Buyer to the domestic market and/or the international market, and in such a case, the Buyer shall bear the spread from such insufficiency of such sales price against the price as stipulated in the Contract as well as relevant expenses for such
sales. Such sales price may be stipulated in a contract and shall not be lower than *** of the market price then, or such sales may be performed in the manner of an auction and shall therefore not be subject to the provisions in the first half of
this sentence (the Seller shall notify the Buyer in writing before commencing such auction procedures). Relevant expenses for such sales shall not exceed *** of the sum of such portion of products so sold as calculated as per the price set forth in
the Contract. 
 8.1.2 In case the Buyer fails to make advance payment and/or payment for products as per the scheduled time, the Buyer shall bear daily a
default penalty as *** and during such time, the parties shall continue to perform the Contract. 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 
In case the Buyer fails to make advance payment within *** (inclusive) days extended and/or fails to make payment for products within *** (inclusive) days,
the Seller may send the Buyer with a notification requesting the Buyer to correct its breaches within ***. Should the Buyer fails to rectify its breaching actions within *** after such notification other than caused by an event of force majeure, the
Buyer shall be deemed to have gravely breached the Contract and then the Seller shall be entitled to unilaterally rescind the Contract subsequent to sending a written notification to the Buyer signifying the same. Such recession shall take effect
upon arrival of such notification at the Buyer. Should the Buyer within such notification duration rectify its breaching actions, the Seller shall not be entitled to rescind the Contract. Where the Buyer breaches or gravely breaches the Contract,
the Seller shall have options not to dismiss the Contract but to receive relief as per the stipulations set forth in article 8.1.1, save as the Contract should be rescinded according to rules of then any effective legal documents. 
 8.1.3 Where the Buyer gravely breaches the Contract and the Seller then rescinds the Contract, the Buyer shall bear responsibilities for breach of the Contract, namely:

  

	(a)	as per provisions of article 8.1.2 of the Contract pay default penalty for overdue payment (calculation of such default penalty shall be ended on the date of recession of the
Contract), and 

  

	(b)	any and all residual advance payment available on the date of recession of the Contract shall belong to the Seller, and 

  

	(c)	pay to the Seller with a default penalty as ***. 

 8.2 Seller’s
responsibilities for not conforming to the Contract in supplying products. 
 8.2.1 In case the Seller fails to replace any product with defect with
qualified product within *** as specified in article 3.6.5 of the Contract, or the Seller in a month fails to meet the demand of the Buyer on such quantity as specified in the Contract, whether through the Seller’s own production or through
purchasing from any third party, the Buyer may subsequent to urging the Seller and granting for *** as an extension purchases at its own discretion products from any domestic market or international market as substitute products of the
insufficiency, and in such a case the Seller shall bear the spread from such insufficiency of such purchasing against the price as stipulated in the Contract as well as relevant expenses for such purchasing. Such purchasing price may be stipulated
in a contract and shall not be higher than *** of the market price then and relevant expenses for such purchasing shall not exceed *** of the sum of such portion of products so purchased as calculated as per the price set forth in the Contract.

 8.2.2 In case the Seller fails to deliver products and/or deliver any insufficiency as per the scheduled time, the Seller shall bear daily a default
penalty as *** of the amount of products not delivered (calculation of such default penalty shall be ended when such products has be delivered or substitute products have been received by the Buyer, provided that the aggregated default penalty shall
not exceed *** of the total value of such portion of products) and during such time, the parties shall continue to perform the Contract. In case the Seller fails to deliver products for *** (inclusive) days overdue, the Buyer may send the Seller
with a notification requesting the Seller to correct its breaches within ***. Should the Seller fails to rectify its breaching actions within *** after such notification other than caused by an event of force majeure, the Seller shall be deemed to
have gravely breached the Contract and then the Buyer shall be entitled to unilaterally rescind the Contract subsequent to sending a written notification to the Seller signifying the same. Should the Seller within such notification duration rectify
its breaching actions, the Buyer shall not be entitled to rescind the Contract. During the period where the Seller fails to deliver products on schedule, the Buyer shall also have options not to dismiss the Contract but to receive relief as per the
stipulations set forth in article 8.2.1, save as the Contract should be rescinded according to rules of then any effective legal documents. 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 8.2.3 Where the Seller gravely breaches the Contract and the Buyer then rescinds the Contract, the Seller shall bear
responsibilities for breach of the Contract, namely: 
  

	(a)	as per provisions of article 8.2.2 of the Contract pay default penalty for overdue payment (calculation of such default penalty shall be ended on the date of recession of the
Contract), and 

  

	(b)	any and all residual advance payment (if any) on the date of recession of the Contract shall be returned to the Buyer, without interest, and pay a default penalty as ***, and

  

	(c)	pay to the Buyer with a default penalty as ***. 

 8.3 Both parties hereby
unanimously consent and accept that the calculation method of any and all foreseeable losses arising out of any breach of the Contract as well as remuneration of such loss fully conforms to that for calculation of any default penalty. The parties
further agree to waive the right of adjustment on any default penalty exceeding the actual loss, as stipulated in article 114 of “Contract Law of the People’s Republic of China”. 
 8.4 Termination and recession 
  

	8.4.1	The Contract shall be terminated in case that 

  

	(a)	the Contract expires; or 

  

	(b)	the Contract shall be terminated when agreed by the parties in a written form. 

 8.4.2 Any party hereto may unilaterally rescind the Contract by sending a written notification signifying the same to the other party in case that 
  

	(a)	the Seller or the Buyer materially breaches the Contract as per provisions of article 8.1 or article 8.2, the non-defaulting party may unilaterally rescind the Contract by sending a
written notification to the defaulting party signifying the same; or 

  

	(b)	any party hereto declares being bankruptcy, or should be under any procedure regarding insolvency, liquidation or dissolution, or ceases business, or should be insolvency of any
liability due, the other party hereto may unilaterally terminate the Contract by sending a written notification to such party. 

 9.
Notification 
 Any and all notifications or documents as may be served as per provisions of the Contract shall be prepared in writing by the
representatives of the parties respectively provided below and shall be sent to or be delivered to the representatives of the parties respectively provided below. Any notification sent in any of the following manners shall be deemed that all members
of the addressee have received such notification: (a) delivery conducted manually by a dedicated person, the time since such delivery; (b) delivery conducted via a registered letter or a certified mail, the time since receiving of the
notification or the document; or (c) delivery conducted via an express mail service, the following working day of such delivery. 
 Representative of
each party to receive any and all normal correspondents: 
 Representative of the Seller: 
 Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. 
  

			
	Address:	  	No. 66, Yangshan Road, Economic Development Zone, Xuzhou City, Jiangsu Province, PRC
		
	Attention:	  	Zhu Guomin (General Manager)

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Representative of the Buyer: 
 Jiangsu AIDE Solar Energy Technology Co., Ltd. 
  

			
	Address:	  	No. 69, Pantaoshan Road, Economic Development Zone, Xuzhou City, Jiangsu Province, PRC
		
	Attention:	  	Zhang Yanpeng (Executive Vice President)

 In case any party hereto intends to modify any of the above information regarding the address or representative
for sending and/or receiving notifications or documents, such party shall so notify the other party in writing. Any and all correspondents and/or communications shall conform to stipulations of such cooperative procedures which shall be jointly
agreed by the parties hereto. 
 10. Contract language 
 The Contract shall be written in Chinese and in English and the two language versions shall be equally authentic. In case of any discrepancy, the Chinese version shall prevail. 
 11. Applicable law 
 The effectiveness, interpretation and execution of the Contract shall be governed by laws of the
People’s Republic of China. Any and all laws and rules on conflicts of laws other than PRC laws shall not apply to the Contract. 
 12. Settlement of
dispute 
 Unless otherwise provided by the Contract, any and all disputes, dissidences or claims for compensation caused by the Contract or in connection
with the Contract, or breach of the Contract, termination of the Contract or inefficiency, etc. shall be finally settled by Shanghai Commission of China International Economic and Trade Arbitration Commission (CIETAC-Shanghai) as per its domestic
arbitration rules then effective. Such arbitration shall be made in Shanghai and the language used for such arbitration procedure shall be in Chinese. 
 Any
arbitration award so prepared and awarded shall be final and unquestionable and shall be binding upon both parties, and may be adopted as a ground for any court decision of any competent court. Expenses for such arbitration (including but not
limited to any expenses incurred for appointment of arbitrators) shall be assumed by the parties as per provisions of such arbitration award. 
 13. No
waiver 
 Where any party fails to request the other party to strictly perform the any provision of the Contract, or to execute any right and/or interest
under the Contract, it shall not be deemed that such party has waived such right and/or interest, and such party shall not be deprived of the right and/or interest later of requesting to exercise or rely on such provision or right and/or interest.

 14. Severability 
 Any ineffectiveness of any clause of
the Contract shall not affect the effectiveness of other clauses of the Contract. 
 15. Assignment 
 Any party without prior written consent from the other party shall not assign any obligation under the Contract. 

 16. Consecutive effectiveness 
 Any and all relives for breach and any and all confidentiality rights, interests and obligations as stipulated by the Contract shall continue to be effective subsequent to termination or recession of the Contract. 
 17. Modification 
 Any modification, amendment, supplement or waiver
of any clause of the Contract shall not take effect unless it was made in a written form entered into by and between the Seller and the Buyer. 
 18.
Integrality 
 The Contract together with all attachments hereto shall constitute for the purpose of the Contract object as reached an entire contract and
shall replace any and all contracts and/or memorandums as previously formulated by and between the parties hereto. 
 19. Effectiveness of Contract 

 The Contract shall come into force when the Contract is duly executed by the authorized representative of the parties. 
 - (the main text of the Contract is ended here and the attached page is for signature and seal only) - (Page for signature and seal) 
  

	
	Seller: Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd.
	
	 
	(Sealed)
	
	  
	(Signature of representative)

  

	
	Buyer: Jiangsu AIDE Solar Energy Technology Co., Ltd
	
	 
	(Sealed)
	
	  
	(Signature of representative)

 Attachment A 
 Attachment A-l: Specification and Quality Standard of Products 
 Specification of 125*125mm monocrystal
wafers 
  

			
		
	 Size
	  	 ***

		
	 Thickness
	  	 ***

		
	 Type of electric conduction
	  	 ***

		
	 Direction
	  	 ***

		
	 Content of oxygen
	  	 ***

		
	 Content of carbon
	  	 ***

		
	 Resistivity
	  	 ***

		
	 Life of some carriers
	  	 ***

 - (main text of this page is ended here) - 

 Attachment A 
 Attachment A-2: Intention regarding to Adjustment of Attachment A-1 
 The parties hereby agree that as of coming into
force of the Contract, any specification as set forth in Attachment A-1 can only be modified after written consents of both parties have been made. The parties may as per agreement set forth in Attachment A-2 consult any modification of Attachment
A-1. In case the parties after such consultation fail to reach any written supplementary agreement (including the duration when such consultation was conduced), the parties shall continue to implement as per provisions set forth in Attachment A-1.

 I. Seller’s adjustment intention regarding to product thickness set forth in Attachment A-1: 
  

			
	 Year (Contract year)
	  	Product thickness (unit: mic)
	 2008
	  	***
	 2009
	  	***
	 2010
	  	***
	 2011
	  	***
	 2012
	  	***
	 2013
	  	***
	 2014
	  	***
	 2015
	  	***

 (Remark: from year 2008 to year 2011, product thickness shall decrease successively by *** yearly; from year 2011
to 2015, product thickness shall decrease successively by ***) 
 II. Buyer’s adjustment intention regarding to product thickness set forth in
Attachment A-1: 
 Monocrystal wafers each 125*125 specification as set forth in Attachment A-1 shall be 2.4 W [the conversion rate shall serve as the basis
for calculation of other product price after unit price of each slice was converted into unit price of each watt as per stipulations of the original contract when any product specification adjustment resulting in inability to confirm the product
price through consultations of the parties]. 
 In case after taking effect of the Contract the Buyer intends to purchase or the Seller intends to produce
monocrystal wafers or polywafers of other specifications and Buyer intends to purchase and the Seller intends to supply relevant silicon materials, the parties may otherwise enter into a supplementary agreement through friendly consultations.

 - (main text of this page is ended here) - 

 Attachment B 
 Amount and Schedule of Advance Payment 
  

			
	 Payment date of advance payment
	  	Amount of advance payment (RMB)
Unit: RMB
	 April 22, 2008
	  	***
	 May 15, 2008
	  	***
	 April 16, 2009
	  	***
	 April 16, 2010
	  	***
	 Total
	  	***

 Advance payment shall be *** of Contract amount - RMB 8,483,333,269.00 [Say RMB Eight Billion, Four Hundred and
Eight Three Million, Three Hundred and Thirty Three Thousand, Two Hundred and Sixty Nine Yuan Only], namely. 
 Advance payment totals RMB*** [Say RMB***
Only] (rounded by taking integer digits); advance payment for each installment shall be paid up prior to such date as aforesaid (inclusive). 
 - (main text of this page is ended here) - 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Attachment C: Product Price, Quantity and Delivery Schedule 
  

																													
	Quantity of products to be supplied monthly and price for year 2008
											
	 Month
	  	 	  	May	 	 	June	 	 	July	 	 	August	 	 	September	 	 	October	 	 	November	 	 	December	 	 	Total
	 Quantity of wafers to be provided
	  	Piece	  	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***
	 Unit price including tax (RMB)
	  	RMB/piece	  	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	
	 Tax rate of value-added tax at the year
	  		  	17	%	 	17	%	 	17	%	 	17	%	 	17	%	 	17	%	 	17	%	 	17	%	 	
	 Payment date each month
	  		  	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	
	 Payment for goods payable (RMB)
	  	RMB	  	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***	 	 	***

 Quantity of products to be supplied quarterly and price for 2009-2010 
  

																							
	 Year
	 	 	 	2009	 	2010
	 Quarter
	 	 	 	1st quarter	 	2nd quarter	 	3rd quarter	 	4th quarter	 	Total	 	1st quarter	 	2nd quarter	 	3rd quarter	 	4th quarter	 	Total
												
	 Quantity of products to be provided
	 	Piece	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***
												
	 Unit price including tax (RMB)
	 	RMB/piece	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	
												
	 Total price including tax (RMB)
	 	RMB	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***	 	***

 Quantity of products to be supplied and price for 8-year duration 
  

																					
	 Year
	 	 	  	2008	  	2009	  	2010	  	2011	  	2012	  	2013	  	2014	  	2015	  	Total
	 Quantity
	 	Piece	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	368,749,998
	 Unit price including tax (RMB)
	 	RMB/piece	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	
	 Total price including tax (RMB)
	 	Piece	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	***	  	8,483,333,269

 Terms and conditions: 
  

	1.	Maximal adjustment range shall be *** of the above-mentioned quantity of products to be provided monthly for each year. 

  

	2.	As to quantity of products to provided monthly for year 2009~year 2010, the parties shall fixed it up within the last month of the previous Contract year and in ease no agreement
should be reached, quantity of products to be provide monthly shall be subject to be amortized evenly from the quantity of products to be provided quarterly, namely, in such as case, the quantity of products to be provided monthly shall be ***.

  

	3.	Quantity of products to be provided monthly during year 2011~year 2015 shall be fixed up by the parties within the last month of the previous Contract year, and in case no agreement
should be reached, quantity of products to be provide monthly shall be subject to be amortized evenly from the quantity of products to be provided yearly, namely, in such as case, the quantity of products to be provided monthly shall be ***.

  

	4.	Advance payment of *** shall be offset evenly monthly. 

  

	 5.
	 The *** date of each month shall be the payment date of the amount payable for the quantity of products to be provided
for the following month, namely, payment for products for a month shall be fully paid up prior to such date (inclusive). 

  

	6.	Tax rate of quotation including tax as aforesaid shall be 17% and in case of tax rate adjustment by the government, the tax rate so adjusted so prevail. (Monthly amount set forth in
the column of payment for products regarding to year 2008 is calculated from the value-added tax rate of the year (17%); in case of value-added rate adjustment, the rate so adjusted shall prevail.) 

  

	7.	The parties hereby agree that as of year 2010 when the actual production capacity of the Buyer increases, the Seller shall after being agreed by the parties through consultations
increase the quantity of products to be provided for the year as per practical situations. Price for products so increased shall as per the price of the year. Specific quantity of products to be provided so increased shall be subject to be otherwise
agreed by the parties. 

 - (main text of this attachment is ended here) - 
  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Attachment D 
 List of Associated Companies Partaking to the Contract and Format of Commitment Letter 
 List of
Associated Companies 
 Associated companies of the Seller: 
 (Blank) 
 Associated companies of the Buyer: 
 (Blank)

 - (main text of this page is ended here) - 

 Commitment Letter 
 We, [*** Company], are informed that Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. has entered into “Contract with regard to Supply of Wafers” (the “Contract”) with [Ÿ] as of MM/DD/2008. As an associated company of [the Buyer/the Seller] and conforming to stipulations of the Contract, we hereby apply for partaking in the Contract so as to be [the Buyer/the Seller] under the Contract.

 We hereby irrevocably undertake that once joining in the Contract to be [the Buyer/the Seller] we shall be abided by the following provisions: 

We are fully aware of and understand any and all stipulations of the Contract as well as attachments to the Contract and we hereby undertake to be bounded by any and
all contents contained in the Contract and attachments to the Contract. 
 We shall therefore bear the joint responsibility and obligation under the Contract
with any and all associated companies partaking in the Contract, and we further accept that any performance of obligations under the Contract by any associated company of the other party shall be deemed a performance of the Contract by the other
party. 
 Should we no longer conform to requirements on Associated companies under the Contract, we shall therefore no longer enjoy any right or interest
under the Contract, provided that any joint responsibility under the Contract to be borne by us shall not be exempted. 
 Seal of the party
making such commitment: [*** company] 
 Signature of legal representative or authorized representative: 
 MM/DD/YY 

 Attachment E 
 Product Packing Standard 
 Products shall be packed in boxes, with each box 300 pieces of wafers, and then these
boxes shall be packed in larger boxes so as to prevent from being damaged during transportation and storage. 
 - (main text of this page is
ended here) -English Translation of Commissioned Processing Contract dated March 21, 2008

 Exhibit 10.13 
 Commissioned Processing Contract 
 Party A: Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd.

 Registered place: 66 Yangshan Road, Economic Development Zone, Xuzhou City, 
 Jiangsu Province 
 Legal representative or
principal: Xu Jin 
 Party B: Changzhou Huasheng Hengneng Optoelectronics Co., Ltd. 
 Registered place: North of Middle Huacheng Road (2 Zhongxing Road), Jintan 
 Legal representative or principal: Feng Yan
Economic Development Zone 
 The Contract is hereby concluded by and between Party A and Party B through friendly consultation in accordance with relevant
provisions of “Contract Law of the People’s Republic of China” and shall be binding upon both parties. 
 Article I. Contract object 

 Party A intends to provide Party B with polysilicon (hereinafter referred to as “polysilicon”) so as to entrust Party B to process wafers
conforming to requirements of the Contract, for the purpose that Party A may sell such wafers to any third party (hereinafter referred to “practical user”). 
 Article II. Yield rate and processing volume 
  

	2.1	Polysilicon should be processed into monocrystalline wafers with size as 125mm * 125mm, and the yield rate shall be: 

 For year 2008, as per *** piece/kg; for year 2009, as per *** piece/kg; for year 2010, as per *** piece/kg; and for year 2011, as per *** piece/kg;

  

	2.2	For total quantity of wafers that Party A entrusts Party B to process as well as processing volume for each month of each year, refer to Appendix II “Polysilicon, processing
volume of silicon wafers and number of silicon wafers” for details. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	2.3	Processing volume of wafers set forth in Appendix II refers to the rationally anticipated processing quantity when entering into the Contract by both parties. In performance of the
Contract, Party B shall guarantee the production capacity as per the anticipated production volume set forth in Appendix II. For the actual processing quantity, Party B shall process and deliver wafers as per polysilicon delivered by Party A as
agreed in Article 4 hereof and relevant yield rate. 

 Article III. Quality standard and requirements of wafers 
 Wafers as processed by Party B shall strictly conform to the requirements of each parameter set forth in Appendix III and it shall
have a *** quality warranty period as of the date of Party’s delivery of wafers. 
 Unless otherwise specified herein,
Party A may from time to time at its discretion adjust parameter requirements of wafers entrusted to Party B to process, provided that such adjustment of parameters shall be consented by Party B. Otherwise, Party B shall not be held responsible for
any loss so occurred against Party A. 
 Article IX. Delivery of polysilicon 
  

	4.1	Quantity of polysilicon to be delivered: polysilicon shall be delivered to Party B monthly. Refer to Appendix II “Polysilicon, processing volume of wafers and number of
wafers” for detailed specifications regarding quantity of polysilicon to be delivered. Party A shall be entitled to, as per its own practical production capacity, appropriately adjust the quantity of polysilicon to be delivered to Party B for
each month as set forth in Appendix II, provided that a notification signifying such adjustment be made *** in advance to Party B and that the quantity as may be provided after such adjustment shall not exceed *** of that for each month as provided
in the appendix. Should Party A provide polysilicon exceeding such range as 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 
specified in the previous sentence, Party A shall notify Party B *** in advance. In case Party B can not process the quantity of polysilicon as provided by
Party A, Party B shall so notify Party A in a written form signifying its actual processing capacity and when being confirmed by Party A in a written form. Party B shall not be held responsible for the processing of the portion exceeding that
confirmed. 
  

	4.2	Delivery mode and time: polysilicon shall be delivered by Party B itself and Party B shall within *** complete delivery of processed polysilicon for the month upon receipt of Party
A’s delivery notice. 

  

	4.3	Place of delivery: such warehouse as may be designated by Party A. 

  

	4.4	Party B shall be responsible for transportation of polysilicon at the expense of Party A (included in expenses for processing). Party B shall arrange delivery works properly by
taking into account anticipated delivery duration as well as the time for loading, so that delivery of polysilicon may be completed within the schedule as stipulated in this article. 

  

	4.5	Packing of polysilicon shall be the responsibility of Party B who shall guarantee that its packing may meet the requirements for long distance transportation.

  

	4.6	Party A shall be deemed to have delivered the polysilicon to Party B upon the loading of the same on such vehicles as designated by Party B, risk involved thereafter shall be
responsibility of Party B; before delivery, risk involved shall be the responsibility of Party A. However, if Party B should fail to carry away polysilicon on schedule, risks involved thereof after the date of delivery as provided by the Contract
shall be assumed by Party B. 

 Article V. Inspection and custody of polysilicon 
  

	5.1	Authorized representative of Party B shall submit a letter of authority when trying to taking away polysilicon and before leaving warehouse of Party A or designated by Party A make
clear the quantity of polysilicon as delivered by Party A and make a 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	 	 
written confirmation regarding the quantity of such polysilicon as delivered by Party A. As such, the authorized representative of Party B shall together
with Party A take samples from the current batch of materials and reserve the sample with Party A after that is sealed and marked upon inspection, and the reserved sample will represent the overall quality of current batch of materials to be
delivered upon the confirmation by both parties. 

  

	5.2	Polysilicon as to be provided by Party A to Party B shall conform to such requirements as stipulated in Appendix I “Specification of polysilicon” hereto. Party B
shall conduct inspections on such polysilicon within *** after the delivery by Party A. Should quality or specification of such polysilicon be discovered as not meeting requirements of the Contract upon inspection (other than those caused by poor
transportation), Party B shall so notify Party A within the inspection period as stipulated in the previous sentence and shall replace them within *** upon the confirmation by Party A. Freight so incurred shall be borne by Party A. In case Party B
fails to notify Party A any discrepancy regarding quality and/or specification within the inspection period, then it shall be deemed that polysilicon provided by Party A conform to stipulations of the Contract and Party A then may dismantle the seal
for the current batch of reserved sample. 

  

	5.3	Party B shall properly keep the polysilicon as provided by Party A properly and without Party A’s prior written consent Party B shall not replace any polysilicon at its own
discretion. 

  

	5.4	For completion of processing of wafers as per the Contract, Party B shall only use polysilicon as provided by Party A and shall under no circumstance use or adulterate polysilicon
not provided by Party A. As such, Party B shall guarantee to apply the dedicated monocrystalline wafer production oven to produce wafers for Party A. Such dedicated monocrystalline wafer production ovens shall not be used for production of any
product for any third party. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Article VI. Delivery of wafers 
  

	6.1	Quantity of wafers to be delivered: Party B shall deliver wafers to Party A as per processing volume of wafers as set forth in Appendix II “Polysilicon, processing volume of
wafers and number of wafers”. In case adjustment on providing quantity of polysilicon has been made by Party A, delivery of wafers shall be as per the adjusted processing volume of wafers. Party B shall keep stable and consecutive productions
of wafers so as to deliver wafers as required by Party A or practical users. 

  

	6.2	Delivery time and place: within *** after delivery of polysilicon by Party A to Party B, Party B shall complete processing of wafers as per requirements on quantity and quality set
forth in the Contract and deliver such wafers to Party A’s warehouse or other destination as may be designated by Party A in good batch number which shall at least cover information regarding serial numbers of polysilicon provided by Party A,
production date, date of delivery, and name of practical user. 

  

	6.3	The unloading of wafers from vehicles as designated by Party B to Party A’s warehouse or any other destination as may be designated by Party A shall be deemed to be a delivery
of wafers by Party B to Party A. Risks involved before delivery of wafers shall be assumed by Party B; after delivery, risks shall be assumed by Party A. 

  

	6.4	Freight and expenses: transportation for delivery shall be arranged by Party B itself, and freight so incurred shall be borne by Party A (included in expenses for processing). Party
B shall fully take into consideration of transportation duration together with loading and unloading duration and arrange transportation work without delay so that wafers that shall be delivered for the month may be delivered to Party A or any third
Party as may be designated by Party A within the delivery duration as provided in this article. 

	6.5	During the course of deliver, Party B shall cause the receiver (refer to Party A or practical user) and Party B to jointly sample at least *** pieces of wafers and record
relevant information regarding the wafers (at least including batch number). When such information has been confirmed by the receiver, Party B shall together with the receiver seal the said samples and the recorded information for several copies.
Samples sealed shall at least be reserved with Party A for at least one copy. 

  

	6.6	In case Party A or practical user asks for onsite inspection in the place of delivery, Party B shall provide convenience accordingly, and the completion of inspection shall be
deemed as a delivery. 

 Article VII. Requirements on packing and expenses of packing 
  

	7.1	Party B shall be responsible for packing of wafers. Packing of wafers hereunder to be made by Party B for Party A or any third party as may be designated by Party A shall conform to
industry standard and those packing requirements as may be rationally judged by professional insiders. In addition, such wafers and packing shall be able to withstand requirements on long distance transportation and rough handling.

  

	7.2	Expenses for such packing shall be borne by Party B, and packing materials shall not be returned, which shall belong to Party A or any third party as designated by Party A.

 Article VIII. Inspection and acceptance 
  

	8.1	During the course of processing, Party B shall accept Party A’s necessary inspections on its works, provided, however, that Party A shall not impede Party B’s normal
operation. 

  

	8.2	Party A or any third party designated by Party A shall check the quantity of wafers as delivered at the day by Party B and shall give written confirmations regarding the quantity so
delivered with Party B’s employees. In case the quantity of wafers so delivered are less than that specified in the Contract, Party B shall within *** make them up and assume relevant liabilities for overdue delivery. Any and all expenses for
wafers so incurred shall be borne by Party B. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	8.3	Quality inspection period of Party A’ inspection on wafers shall last for one year, commencing from the date of delivery of wafers by Party B. Where any nonconformity to
relevant stipulations of the Contract is inspected, Party A shall within the duration as aforesaid notify Party B in writing. Party B shall within *** after receiving such written notification specifying discrepancy replace such wafers with quality
defects. For wafers as provided by Party B, *** of nonconformity rate shall be permitted. For disqualified wafers within the range of nonconformity rate, Party B shall not be held responsible for breach of Contract if Party B may replace them within
*** upon receipt of Party A’s notification. Failing that, Party B shall be liable for overdue delivery. As to responsibilities for overdue delivery of wafers with quality defects, the time limit for overdue delivery shall be calculated as of
the date of first delivery till the completion of replacement of wafers conforming to quality requirements. Any and all expenses so occurred shall be borne by Party B (the expenses include but are not limited to expenses for handling quality related
issues, loss borne by Party A for client’s claim for remuneration as well as anticipated profit loss of Party A). 

  

	8.4	Acceptance standard: refer to Appendix II and Appendix III for details. 

  

	8.5	In case of any dispute between the parties over the quality of wafers during inspection, any party hereto may apply with legal quality supervision and inspection authority for
relevant inspections and acquire inspection certificate. Should wafers fail to conform to Contract requirements, Party B shall repair such wafers or replace them with new ones and bear relevant responsibilities for delivery overdue as well as bear
expenses for such inspection. Provided that the quality of the wafers meets the requirement of the Contract upon inspection, Party A shall assume such fees accordingly. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	8.6	If any practical user claims against Party A for inconformity of wafers produced by Party B or deferred delivery with fault of Party B, Party A shall immediately so notify Party B
who shall then give assistance to Party A for technical supports, defense, counterplea and any other necessary activities so that Party A may not have to bear such responsibilities. If a competent court or arbitral authority decide that Party A
shall be liable for such quality defects or deferred delivery with fault of Party B and indemnify the practical user and Party A has already made such notification as specified in this article, Party B shall indemnify Party A with full amount
equivalent to the sum as made by Party A against the practical user as per court decisions and shall bear relevant responsibilities for breaching of the Contract. 

 Article IX. Expenses for processing and payment 
  

	9.1	Party B shall be entitled to charge fees for actually processed wafers conforming to requirements of the Contract. Unit price for each piece shall be calculated as per relevant
provisions of appendixes hereto (including 17% value-added tax and freight). 

  

	9.2	Party A shall within *** upon delivery of wafers by Party B settle expenses for processing. Should Party B indemnify Party A with any amount before Party A’s settlement of
payment, Party A may directly deduct such sum from the expenses for processing. For wafers overdue accepted by Party A, Party A shall within *** settle the expenses for processing with Party B, provided that the default penalty for overdue delivery
shall be deducted. 

  

	9.3	Party B shall as per relevant regulations and provisions as agreed issue formal invoices conforming to provisions of applicable laws to Party A. 

  

	9.4	If Party A without any due cause fails to pay expenses for processing to Party B, Party B shall be entitled to investigate relevant liabilities for breach against Party A pursuant
to provisions of the Contract, provided that no polysilicon and wafers shall be withheld. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Article X. No delegation 
 Without Party A’s prior written consent, Party B shall not delegate the processing of wafers hereunder to any third party. 
 Article XI. Confidentiality 
  

	11.1 	Confidentiality obligation. The parties shall strictly keep confidential any and all relevant information as may come to known from the other Party during performance of the
Contract, including without limitation to business secret, proprietary information or technology, sample, software, mold designing requirements, technical drawings, workmanship or assembly process flow, research achievement, price and calculations,
financial data, quality standard, Contract terms concluded by the parties as well as any other technical and commercial information (hereinafter referred to as “confidential information”). Unless prior written consent from the other party
has been acquired or disclosure has to be made pursuant to provisions of relevant laws and regulations, the party receiving any confidential information from the other party shall not disclose such confidential information to any third party, in
whole or in part. Except for the purposes of performance of the Contract, any receiving party shall not use such information for any other purposes directly or indirectly, in part or in whole. Each party hereto agrees to keep the confidentiality of
confidential information from the other party in line with protection degree of its own confidential information, provided, however, that such protection degree shall not lower than a reasonable degree. In case of any unauthorized use or disclosure
of any confidential information from the other party, the parties hereunder shall notify the other party in writing without delay and shall give assistance to the other party in taking remedy measures. The party receiving confidential information
from the other party may disclose such information to its own relevant employees, agents or professionals as employed, provided that it shall assure that such personnel shall be bounded by the Contract and keep confidentiality of such confidential
information that come to them and use such information only for the purposes of performance of the Contract. 

	11.2 	Exception of confidential information. The followings shall not be regarded as confidential information: (1) any information obtained before receiving from the other party,
with written evidence supporting such fact; (2) any information available in the public domain not due to the fault of the receiving party; (3) any information disclosed as per applicable law requirements; (4) any information
disclosed as per compulsive requirements of any competent governmental authority and/or supervising & monitoring institution; and (5) any information as obtained via any other legal approach after receiving the same.

  

	11.3 	Provisions of this article will survive the termination or dissolution of the Contract without time limit. 

 Article XII. Declaration and assurance 
  

	12.1 	Both parties are enterprises legally established and exist, having full right, power and competence to conclude and exercise the Contract. Any and all formalities as needed for
conclusion and performance of the Contract have been legally handled and prepared with due effectiveness. Any and all internal authorization procedures for conclusion of the Contract have already been handed and the undersigned are legal
representatives or authorized representatives of each party. The Contract shall be binding upon both parties after its taking effect. 

  

	12.2 	In concluding the Contract, no decision, ruling, arbitration or specific administrative action which may sufficiently have materially adverse effects on performance of the Contract
was made by any court, arbitral authority, administrative organ or supervising & monitoring institute. 

  

	12.3 	Party B undertakes to take out property insurance with full amount for assets pertaining to wafers hereunder. 

 Article XIII. Party B’s liability for breach of Contract 
  

	13.1 	In case Party B fails to take away polysilicon pursuant to the schedule as provided by the Contract, Party B shall pay Party A with ***. For *** or more overdue, Party A shall be
entitled to decline Party B’s taking away of polysilicon and to terminate processing entrustment for the portion of deferred delivery. Furthermore, Party A shall have right to charge default fine from Party B as ***. In case Party B should
delay its delivery of wafers due to its delayed picking up of polysilicon, Party B shall be liable for delayed delivery of wafers as per provisions of Article 13.3 of the Contract. 

  

	13.2 	In case wafers delivered by Party B should be insufficient in quantity pursuant to stipulations of the Contract, Party B shall within *** upon such delivery make them up and these
portion shall be handled as per delayed delivery as specified in Article 13.3 of the Contract. 

  

	13.3 	In the event that Party B shall delay its delivery of wafers in line with agreements of the Contract, Party B shall pay Party A with a default penalty as ***; at the same time,
Party A shall be entitled to stop providing polysilicon to Party B until such breach of Party B has been corrected and relevant responsibilities for breach of Contract have been assumed by Party B for Party A. For *** or more days overdue, Party A
shall be entitled to dissolve the processing entrustment for the portion delayed or reject to accept the overdue delivery and shall have right to charge a default penalty from Party B as ***. Furthermore, for the portion of polysilicon used yet
undelivered, Party B shall indemnify Party A as per the sale price of those dissolved or rejected by Party A in the current month. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	13.4 	In case Party B fails to deliver wafers as per quality stipulated in the Contract, Party A shall be entitled to ask Party B to make up the insufficiency with wafers conforming to
quality requirements within *** upon delivery of wafers and Party B shall be liable for relevant responsibilities for breach of Contract as per stipulations on overdue delivery in Article 13.3. 

  

	13.5 	In case more than *** of polysilicon received from Party A shall be damaged and/or lost due to poor custody of Party B, Party B shall indemnify Party A’s loss as per the value
of wafers available from such damaged and/or lost materials (subject to sale price of the damaged and lost wafers of the month exercised by Party A). In addition, Party B shall return the damaged polysilicon to Party A. 

  

	13.6 	Except for an event of force majeure, Party B shall pay Party A with default penalty as *** if Party B fails to deliver wafers on schedule. In addition, for the portion of
polysilicon used for the undelivered, Party B shall indemnify Party A as per sale price of polysilicon of the month exercised by Party A. 

  

	13.7 	If Party B fails to pack wafers as per stipulations of the Contract and re-packing is required, Party B shall be liable for it or re-pack the wafers and assume expenses so occurred,
including but not limited to freight and expenses for packing. Under such a circumstance, if Party A asks for compensation rather than re-packing, Party B shall indemnify Party A with the value difference between the disqualified packing materials
and the qualified packing materials. Party B shall be responsible for any and all expenses and/or losses of packing or polysilicon arising out of poor packing and/or insufficient or improper protection measures. 

  

	13.8 	In case any damage of wafers should be occurred during the course of transportation, Party B shall make up qualified wafers within *** upon delivery of wafers and assume
responsibilities for overdue delivery stipulated in Article 13.3 herein. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	13.9 	If Party B at its own discretion transpose polysilicon provided by Party A, Party A shall be entitled to reject to accept them and charge a default penalty from Party B as per ***
of the value of wafers rejected (subject to sale price of damaged and lost wafers of the month exercised by Party A). In addition, for the portion of polysilicon used for the rejected wafers, Part B shall indemnify Party A as per sale price of
wafers of the current month exercised by Party A. If Party A under such a case asks for re-work, Party B shall handle as required and be liable for overdue delivery. 

 Article XIV. Party A’s responsibility for breach of Contract 
  

	14.1 	Should Party A fails to make payment to Party B on schedule, Party A shall pay Party B the interest for overdue at the rate of current commercial loan issued by the People’s
Bank of China upon the amount of such overdue payment. 

  

	14.2 	Party A may adjust the schedule on providing of polysilicon as per practical requirements. Under such circumstances, should Party A fail to provide Party B with polysilicon as per
the time and requirements set forth in the Contract, the date for delivery of such portion of polysilicon shall be extended accordingly. 

  

	14.3 	Should Party A without due cause refuse to accept wafers, Party A shall then indemnify Party B’s loss so incurred. 

 Article XV. Dissolution of Contract 
  

	15.1 	In case the performance of the Contract of one party or both parties is materially affected by force majeure which lasts for over ***, then either party may dissolve the Contract by
notifying the other party in writing. 

  

	15.2 	The Parties hereto may agree to dissolve the Contract through friendly consultations. 

  

 

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	15.3 	During the valid term of the Contract, if Party B fails to take away polysilicon for *** overdue for once time or if Party B fails to take away polysilicon accumulated for ***
times, Party A shall be entitled to dissolve the Contract and charge a default penalty from Party B as ***. Party B shall then pay Party A with the default penalty as aforesaid in full within *** upon the date of dissolution of the Contract.

  

	15.4 	During the valid term of the Contract, if Party B delays to deliver wafers for *** for once time or if Party B delays to deliver wafers for accumulative *** times, Party A shall be
entitled to dissolve the Contract and charge a default penalty from Party B as ***. Party B shall then pay Party A with the default penalty as aforesaid in full within *** upon the dissolution of the Contract. 

  

	15.5 	During the valid term of the Contract, if Party B fails to deliver sufficient quantity of wafers and the insufficiency should accounts for over *** of the wafers that shall
be delivered for the month, or if Party B fails to deliver sufficient quantity of wafers for accumulative *** times, then Party A shall be entitled to dissolve the Contract in part or in whole and charge a default penalty as ***. Party B shall then
pay Party A with the default penalty as aforesaid in full within *** upon the dissolution of the Contract. 

  

	15.6 	During the valid term of the Contract, if Party B delivers disqualified wafers and the inconformity should accounts for *** of the wafers deliverable for the month, or if Party B
delivers disqualified wafers for accumulated for *** times, then Party A shall be entitled to dissolve the Contract in part or in whole and charge a default penalty as ***. Party B shall then pay Party A with the default penalty as aforesaid in full
within *** upon the date of dissolution of the Contract. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	

	15.7	If Party B without Party A’s written consent entrust wafers to be processed by Party B to any third party, Party A shall be entitled to dissolve the Contract in part or in
whole and charge a default penalty from Party B as ***. Party B shall then pay Party A with the default penalty as aforesaid in full within *** upon dissolution of the Contract. 

  

	15.8	If Party A without due cause delays to pay Party B with expenses for processing for *** for once or for accumulative *** times and such payment overdue totals more than RMB***,
Party B shall be entitled to dissolve the Contract and charge a default penalty from Party A as ***. Party A shall then pay Party B with the default penalty as aforesaid in full within *** upon the date of dissolution of the Contract.

  

	15.9	After the dissolution of the Contract, Party B shall within *** upon such dissolution deliver the wafers processed yet not delivered to Party A. Polysilicon not processed as well as
advance payment not deducted yet shall also be returned to Party A within such term as aforesaid. Party B shall be responsible for such transportation and freight for returning such wafers and/or polysilicon to Party A. Party A shall within *** upon
completion of the abovementioned issues settle the expenses for processing with Party B, provided that the amount as default penalty to be assumed by Party B hereunder shall be deducted. 

  

	15.10 	In case Party A need to dissolve the Contract in advance, Party A shall so notify party B *** in advance. Party A shall not be liable for breach of Contract, otherwise, the Contract
shall not be dissolved. 

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

	15.11 	Dissolution of the Contract shall not affect the validity of relevant provisions regarding responsibilities for breach of the Contract, confidentiality, settlement of disputes,
payment of default penalty after dissolution of Contract, etc. 

 Article XVI. Force majeure 
  

	16.1 	Force majeure refers to events not foreseeable or not preventable and unconquerable to one party or both parties hereto occurred after formation of the Contract and such events
prevent one party or both parties hereto from performing the Contract in part or in whole. Force majeure events include but are not limited to explosion, fire, flood, earthquake, typhoon and other natural disasters as well as war, riots, etc.

  

	16.2 	In case of a force majeure event, the Party prevented from performing the Contract shall notify the other party in the most convenient manner without delay and shall within *** upon
discovery of such force majeure event submit to the other party with a report of such event specifying the same in details. The Party prevented from performing the Contract shall take all necessary measures so as to eliminate adverse effects of such
force majeure event and try its best to reduce the other party’s loss. Upon the end of such force majeure event, the Party prevented from performing the Contract shall continue to fulfill its obligations hereunder. 

  

	16.3 	In case a force majeure event shall last for more than ***, the parties shall as per influence of such force majeure event on performance of the Contract determine whether to
terminate or delay the performance of the Contract, or exempt obligations of the party prevented hereunder in part or in whole. In case such a force majeure should last for more than ***, it shall be handled as per provisions of Article 15.1 of the
Contract. 

 Article XVII. Settlement of disputes 
  

	17.1 	The Contract shall be governed and interpreted by applicable laws of the People’s Republic of China. 

  

	17.2 	Any and all disputes arising out of or in connection to the performance of the Contract shall be settled through negotiations of the both parties hereto. In case no agreement can be
reached, such case shall be submitted to China International Economic and Trade Arbitration Commission for arbitration in Beijing city. 

 Article XVIII. Supplementary and appendix 
  

	18.1 	Any issue not covered herein shall be executed as per provisions of relevant laws and regulations. In case no applicable law and/or regulation should cover such issue, the parties
may otherwise reach an agreement as the supplementary of the Contract. Any and all appendixes and supplementary of the Contract shall constitute an integral part of the Contract and shall be equally authentic with the Contract.

  

	18.2 	For the purposes of prevention of any doubt, “year” and/or “yearly” in the Contract and/or in the appendixes refer to Gregorian calendar year when used for
calculation of total quantity of wafers and unit price including tax; in other cases, they refer to the Contract year. 

  

	18.3 	Contract year refers to, for year 2008, the full 12 months from May 1, 2008; for subsequent years, it shall be calculated accordingly; for year 2011, from the initial day of
Contract year of the year to December 31, 2011. 

 Article XIX. Effectiveness of the Contract 
  

	19.1 	The Contract shall take effect upon being signed and sealed by both parties and shall expire on December 31, 2011. The parties may before November 30 of each year consult
with each other for adjustment of yield rate, technical specifications and other parameters for subsequent years. Those due yet not agreed shall be executed as per the original provisions of the Contract. 

	19.2 	The Contract is formulated in duplicate with each party hereto holding one and shall be equally authentic. 

 Party A: Jiangsu Zhongneng Polysilicon Technology Development Co., Ltd. (sealed) 
 Legal representative or authorized representative: (signature) 
 Party B: Changzhou Huasheng Hengneng Optoelectronics Co., Ltd. (sealed)

 Legal representative or authorized representative: (signature) 
 March 21, 2008 

 Appendix I. Specification of polysilicon 
 Special provisions regarding thickness of products: 
  

			
	 Year (Contract year)
	  	Specification of thickness of product
(unit: ##)
	 2008
	  	***
	 2009
	  	***
	 2010
	  	***
	 2011
	  	***
	 2012
	  	***
	 2013
	  	***
	 2014
	  	***
	 2015
	  	***

 Remark: for year 2008 - 2011, decrease progressively by *** units; for year 2011 - 2015, decrease progressively by
*** units. 
 For the purpose of specifications set forth in Appendix I, Party A may at any time notify Party B *** in advance in writing of the adjustment of
the specifications set forth in Appendix I. 

 Appendix II. Polysilicon, processing volume of wafers and number of wafers 
  

													
	 Year
	  	Unit	  	2008	 	2009	 	2010	 	2011	 	Total
	 Quantity
	  	10,000
pieces	  	***	 	***	 	***	 	***	 	6,500
	 Unit including tax (RMB)
	  	Yuan/piece	  	***	 	***	 	***	 	***	 	
	 Quantity of monocrystal silicon wafers available for each kg of polysilicon (125mm* 125mm)
	  	Piece/kg	  	***	 	***	 	***	 	***	 	
	 Total price (including tax)
	  	Yuan	  	***	 	***	 	***	 	***	 	567,300,000

  
  

	***	CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS HAVE BEEN REDACTED AND FILED SEPARATELY WITH THE COMMISSION. 

 Appendix III. Quality and specification of wafers 
 (Subject to any written notification by Party A to Party B at any time and no discrepancy being lodged in a written form)

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