Document:

Exhibit 4.66

 

Sales Contract
of Solar Modules

 

Contract No.: xsp14080

Place of Signing: Nanjing

Date of Signing: July, 2014

Buyer: China Electric Equipment Group Co.,
Ltd. (CEEG)

Address: No.6 Shuige Road, Jiangning Economic
Development Zone, Nanjing City

Contact: Luo Tao

Tel.: 13914754878

 

Seller: CEEG (Nanjing) Renewable Energy Co.,
Ltd.

Address: No.6 Shuige Road, Jiangning Economic
Development Zone, Nanjing City

Contact: Zhou Jun

Tel.: 13402176588

 

The Buyer and the Seller,
after friendly consultation, hereby agree to be bound by and perform the terms and conditions as stated in the following Contract
on matters relating to purchasing the following goods in accordance with the Contract Law of the People’s Republic of China:

 

1. Goods Information:

 

	Subject 

Matter	 	Specification, Model and

Parameter	 	Quantity

(piece)	 	Total

 Power	 	Unit 

Price(RMB

Yuan/watt)	 	Total

Amount(RMB: 

Yuan)
	Module	 	
        Multicrystalline Silicon

        Solar Modules 250WP

        CSUN250-60P

        Size:

        1640mm*990mm*40mm
	 	
        42240

pieces

        
	 	
        10560000

watts

        
	 	3.92	 	RMB41,395,200

 

	Amount in words: Renminbi forty one million three hundred ninety five thousand and two hundred
	Note: the price includes 17% VAT and freight. Used for CEEG's 10 MW photovoltaic power generation project in Yizheng.

 

2. Method and Time
of Payment:

 

2.1 Prepayment: A prepayment
of RMB20,697,600(in words Renminbi twenty million six hundred ninety seven thousand and six hundred) amount to
50% of the total contract price shall be paid within 15 working days upon the date of signing this Contract by telegraphic
transfer to the bank account designated by the Seller.

 

2.2 Remaining Payment:
The remaining payment of RMB20,697,600(in words Renminbi twenty million six hundred ninety seven thousand and six hundred)
amount to 50% of the total contract price shall be paid 5 working days before the date of shipment by telegraphic transfer to the
bank account designated by the Seller.

 

2.3 Quality Guarantee:
The Seller shall provide the Buyer with a quality guarantee issued by a bank in the amount of 3% of the total contract value (RMB1,241,856,
in words one million two hundred forty one thousand eight hundred and fifty six) at the time of all modules being delivered.
The guarantee shall be valid for one year. (the use of the guarantee shall be as agreed in the Annex 2 Warranty Agreement)

 

    	 

    	 

    

 

3. Packaging Requirement:
the carton packing conforming to road transportation shall be used in order to meet the requirements of long-time and long-distance
transportation. The Seller shall be liable for all risks and responsibilities of damages and losses of goods caused by poor packing
or other related reasons.

 

4. Place and Date of
Delivery:

 

4.1 Place of Delivery:
construction site of CEEG's 10 MW photovoltaic power generation project in Yizheng

 

4.2 The Seller shall
issue a special VAT invoice with an amount equal to the contract value to the Buyer within 10 days upon delivery.

 

4.3 The Seller shall
deliver all goods before September 10, 2014. The specific date of delivery and the quantity to be delivered shall be as notice
in writing.

 

4.4 The risk of loss
of or damage to the goods will be transferred to the Buyer after it receiving and confirming the quantity and the specification
of the goods and signing the delivery receipt. The Buyer shall be responsible for unloading the goods upon it arriving at the destination.

 

5. Quantity, Quality
Standards and Inspection: the Buyer or the Seller shall raise a written objection to the other party in case there is any disagreement
in terms of quantity or quality within 7 days upon acceptance of the goods, the Seller shall adjust the goods whose quantity or
quality is inconsistent with the Contract as requested by the Buyer. If the Seller fails to adjust the goods or the adjusted goods
is still inconsistent with the Contract ,the Seller shall pay10% of the total contract value as liquidated damages and be liable
for compensating the loss of the Buyer. The Buyer has the right to unilaterally terminate this Contract and requires the Seller
to bear corresponding liabilities (including but not limited to the actual and expected loss, legal fees and attorney's fees incurred
by the Buyer) and requests the Seller to pay 10% of the total contract value as liquidated damages.

 

6. Assignment of Contract:

 

Neither party may assign
any and all of its rights or obligations hereunder to any third party without the prior written consent of the other party.

 

7. Confidentiality:

 

All the terms and conditions
of this Contract and any supplementary agreement shall be treated as trade secrets by the Buyer and the Seller and their employees,
agents, representatives or consultants and shall not be disclosed to any third party without the written consent of the other party.
Otherwise, the defaulting party shall be liable for double compensation for direct or indirect losses caused to the other party
..

 

8. Force Majeure:

 

If any event of force
majeure occurs which prevents either party from fulfilling the Contract, the party affected by the force majeure event shall send
a written notice within 7 days upon the occurrence of the event of force majeure to the other party and provide the written certificate
issued by the local authority within 15 days upon the end of the force majeure event. The affected party may be exempted from all
or part of liability for failing to perform the Contract due to the force majeure event. In the case that any event of force majeure
occurs during the period that any party is delayed in performing its obligations hereunder, the affected party may not be exempted
from the liability for delay in performing obligations hereunder.

 

    	 

    	 

    

  

9. Settlement of Dispute:

 

All disputes arising
out of the validity, execution and interpretation of the Contract shall be settled amicably through friendly negotiation, otherwise
such dispute shall be submitted by either party to court for legal actions. The parties agree that the dispute shall accept the
jurisdiction of people's courts where the plaintiff is located. All costs and expenses in connection to such proceedings(including
attorney fees, travel expenses, costs for evidence collection, notary fees, legal fees) shall be born by the losing party.

 

10. Annexes and Other
Requirements

 

All annexes under this
Contact are integral parts of the Contract and have the same legal effect as this Contract. If there is a conflict between any
term and condition in such annexes and that in this Contract, the term and condition in this Contract shall prevail. Annexes:

 

Annex 1 Technical Agreement

 

Annex 2 Limited Warranty
Booklet for Solar Photovoltaic Modules V5.0

If there is a conflict
between any term and condition in Annex 1 and Annex 2, the terms and conditions in Annex 1 shall prevail.

 

11. Effectiveness and
Miscellaneous

 

11.1 The Buyer shall
compensate for the loss of the Seller if the Buyer terminates this Contract without legal reason.

 

11.2 The contract will
take effect upon being sealed or signed by special authorized representatives of both parties. The Contract more than one page
must be stamped with indenting stamp.

 

This Contract is signed
in four copies, each party holds two copies. All copies have the same legal effect. The Buyer and the Seller should send the original
copy of the signed contract to each other within three working days after signing.

 

11.4 If there is any
other matter not covered in this Contract, a supplement agreement may be signed as agreed after negotiation. The supplement agreement
has the same legal effect with this Contract.

 

Buyer: China Electric
Equipment Group Co., Ltd. Seller: CEEG (Nanjing) Renewable Energy Co., Ltd.

 

	/s/ China Electric Equipment
    Group Co., Ltd.	/s/ CEEG (Nanjing) Renewable
    Energy Co., Ltd.
	Legal representative: Lu Tingxiu	Legal representative:
	Authorized representative:	Authorized representative:
	Bank: Branch of Jiangning Economic Development
    Zone,	Bank: 
	the Industrial & Commercial Bank of
    China	 
	 	
	Bank Account No.: 4301 0211 1910 0105
    444	Bank Account No.:
	Tax No.:	Tax No.:Exhibit 4.67

 

CSUN Purchase
Framework Contract

 

 Contract No.: XPS414013

 

Place of Signing: Jiangning, Nanjing

 

	Buyer: CEEG (Nanjing) Renewable Energy Co., Ltd.	Seller: CEEG (Jiangsu) Insulative New Materials Co., Ltd.
	Address: No.6 Shuige Road, Jiangning Economic Development Zone, Nanjing City 	Address: Zhongdian Avenue, Yangzhong City
	Contact: Wang Di	Contact: Zuo Ning
	Tel.: 025-87138226	Tel.: 13913417777

  

Adhering to the principle
of integrity and mutual benefit, the Buyer and the Seller, after full consultation, have reached the following Contract on matters
relating to purchasing the EVA(hereinafter referred to as the "Product") in accordance with Annex 1 General Terms
and Conditions of CSUN Purchase Framework Contract (the "General Terms and Conditions "):

 

Special Terms and
Conditions

 

		1.	Product Name, Specification, Quantity, Unit Price and Total
Price

 

	Product

 Name	 	Specification

 and Model	 	Brand	 	Quantity	 	Unit	 	Unit Price

 (RMB)	 	Total 

Price (RMB)	 	Remarks
	EVA	 	980	 	Insulative	 	See the Purchase Order for detail	 	m2	 	9.8	 	 	 	 
	
        Notes:
        (1) The price includes 17% VAT, shipping costs and all expenses required to fulfill this Contract.

        

          (2)
The quantity and the total price shall be as specified in the Purchase Order.

 

		2.	Term of Contract

 

The Contract is valid
from the date of entry into force till May 31, 2015.

 

		3.	Pricing Mechanism

 

		3.1	Price Fixing: during the term of the Contract, the Seller
shall supply the Product at the Price specified in this Contract unless otherwise agreed.

 

		3.2	Price Adjustment: if the market price fluctuation of the
Product causes the difference of the prices as specified in this Contract and the actual market price over the same period is
more than ±5% or the Seller changes the specification or model of the product, the price shall be renegotiated and confirmed
in writing by both parties;

 

		3.3	Bargaining Principle: in case the situation above-mentioned
takes place, both parties shall renegotiate the price reasonably and the Seller shall provide the Buyer with necessary discount
to ensure the purchase price of the Buyer has a significant competitive advantage compared to the market price over the same period,

 

		4.	Types of Delivery, Packaging and Transport

 

		4.1	Types of Delivery: during the term of the Contract, the
Seller shall supply the Product according to the Purchase Order placed by the Buyer and deliver the Product to the Buyer on the
date indicated in the Purchase Order.

 

    	 

    	 

    

  

		4.2	Place of Delivery: No.6 Shuige Road, Jiangning Economic
Development Zone,Nanjing City or other place designated by the Buyer.

 

		4.3	Packaging and Transport: carry out according to Clause
2 of the General Terms and Conditions.

 

		5.	Type of Payment and Term of Payment

 

After the
Seller delivering the Product according to the Purchase Order, the Buyer shall pay for the Product within 90 days upon receiving
and acceptance of the Product and receiving the VAT invoice issued by the Seller.

  

II.
Modifications and Supplements to General Terms and Conditions 

 

		6.	Modifications

 

After
full consultation, both parties agree that there is no necessary to modify the General Terms and Conditions.

 

		7.	Other Supplementary Provisions

 

After
full consultation, both parties agree to add the following supplementary provisions to the General Terms and Conditions:

 

		7.1	None

 

		7.2	None

 

		8.	Effectiveness and Miscellaneous

 

		8.1	This Contract is in duplicate, will take effect upon being
signed and sealed by both parties. Each party holds one copy.

 

		8.2	The Buyer and the Seller should send the original copy
of the signed contract to each other within three working days after signing. A faxed signed copy has the same effect as the original.

 

		8.3	The Contract and its annexes are integral parts of the
Contract, and will be stamped with indenting stamp at the time of signing. The Special Terms and Conditions shall prevail over
the General Terms and Conditions. If there is no express agreement in the Special Terms and Conditions, the General Terms and
Conditions will prevail.

 

		8.4	If there is any other matter not covered in this Contract,
a supplement agreement may be signed as agreed after negotiation. The supplement agreement is an integral part of this Contract
and has the same legal effect with this Contract.

 

Annexes:

 

Annex
1: General Terms and Conditions of CSUN Purchase Framework Contract

 

Annex
2: Q-CSUN.J23.0002 Technical Conditions for Crystalline Silicon Solar Modules Using EVA 2.0

 

	Buyer:	 	Seller:
	CEEG (Nanjing) Renewable Energy Co., Ltd.	 	CEEG (Jiangsu) Insulative New Materials Co., Ltd.
	/s/ CEEG (Nanjing) Renewable Energy Co., Ltd.	 	/s/ CEEG (Jiangsu) Insulative New Materials Co., Ltd.
	(seal)	 	(seal)
	 	 	 
	(signature of the contact)	 	(signature of the authorized representative)
	Date of Signing:   ______		 	Date of Signing:  

 

    	 

    	 

    

 

Annex
1:

 

General
Terms and Conditions 

 of

CSUN
Purchase Framework Contract

Special
Notes

 

		I.	The General Terms and Conditions contained in this Annex
is an integral part of the Purchase Contract of CSUN CEEG (Nanjing) Renewable Energy Co., Ltd. The specific special terms and
conditions and the modifications, amendments and supplements to the General Terms and Conditions are specified in the Contract
signed by both parties. Unless otherwise specifically agreed in the Contract, the content contained in this Annex will be the
only evidence to define the rights and obligations of the contracted parties;

 

		II.	The Seller is completely informed of the meaning of each
provision of the General Terms and Conditions set out in this Annex and fully understands and knows the meaning of each provision
ad legal rights, obligations and responsibilities contained in it;

 

		III.	Both parties enjoy the equal positions as the market participants,
any content in the General Terms and Conditions shall be fully negotiated by parties, modified or supplemented in the Contract.
Therefore, the General Terms and Conditions provided in this Annex shall not be deemed as the standard terms provided by CEEG
(Nanjing) Renewable Energy Co., Ltd. and shall not be interpreted in any way against CEEG (Nanjing) Renewable Energy Co., Ltd.

 

		IV.	This Contract is a long term framework contract in regard
to the Product Purchase Matters between the parties. The specific performance of the Contract is based on the actual purchase
order.

 

		1.	Purchase Order

 

		1.1	During the term of the Contract, all orders placed by the
Buyer shall be in writing and the Seller shall confirm the purchase order in writing within two working days after the Buyer placing
the purchase order. The purchase order will be deemed as having been accepted by the Seller if the Seller does not confirm the
order timely within the above-mentioned two working days.

 

		1.2	The Buyer shall specify terms such as number of products
purchased, price and date of delivery in the purchase order and the Seller shall deliver the product in accordance with the terms
of the purchase order strictly. Delivering the product conforming to the requirements of this Contract and the purchase order
constitutes the Seller's substantive obligation under this Contract.

 

		2.	Packaging, Transportation, Insurance and Risk Transfer

 

		2.1	The Seller shall provide packages for the Product in accordance
with standards of conforming to the requirement of safe transport and the Seller shall provide all documents in relation to the
transportation and packaging. The Seller shall attach clear labels to the components, spare parts and tools within the packing
box and indicate information such as the order number, the product name and so on. Any damage arising from improper packaging
shall be borne by the Seller.

 

		2.2	The Seller is responsible for transporting the Product
in a reasonable manner to the Buyer's factory, and bears freights, insurances and in-transit risks.

 

		2.3	The ownership and risks of the Product under this Contract
will be transferred to the Buyer when the Product arrives at the designated location of the Buyer's factory.

 

    	 

    	 

    

  

		3.	Quality Standard, Quality Inspection and Acceptance, Quality
Dissent and Resolutions

 

		3.1	Quality Standard: the Product delivered by the Seller shall
conform to the national standards, the industry standards and other standards agreed in the annex (if any) of this Contract. If
there is any inconsistency between the above-mentioned standards, the standards in favor of the Buyer shall prevail.

 

		3.2	Period of Quality Inspection and Acceptance: the Buyer
shall complete the quality inspection and acceptance according to the standards agreed in the Contract within 30 days after the
Product arriving at the Buyer's factory. The results of the Buyer's inspection and acceptance shall prevail.

 

		3.3	If the model, specification, quantity and quality of the
Product delivered by the Seller are inconsistent with those specified in the Contract, the Seller shall be responsible for replacing
the product and bear the actual cost paid for the replacement. The Seller will be considered as failing to deliver the Product
if the Seller cannot replace the nonconforming product. In this case, Clause 6.2 of this Contract shall apply. The Seller shall
replace the nonconforming product within five days upon receiving the Buyer's written notice.

 

		3.4	Quality Warranty: The warranty period of the Product under
this Contract is 2 years from the date of acceptance of the Buyer; during the warranty period, as for the quality problems caused
by defects in materials, workmanship and design, the Seller shall be responsible for repairing or replacing the defective products
and components. If any product in the purchase order under this Contract is required to be replaced or repaired due to the quality
problem, the warranty period of such product shall be from the date of the Buyer inspecting and accepting the product again.

 

		4.	Product Delivery

 

		4.1	The Seller shall provide the Buyer with all required design
drawings and other necessary technical data. The Seller shall provide spare parts, drawings, test parameter reports, inspection
reports and certificates of conformity together with the Product at the time of delivery.

 

		4.2	If the Buyer needs to replace the spare parts after the
warranty period expires, the Seller agrees to sell the spare part to the Buyer at a favorable price. In the case that the spare
part is not in production and no longer available, the Seller shall provide the drawing and specification of the spare part for
the Buyer for free.

 

		5.	Tax and Invoice.

 

The
Seller shall provide the Buyer with full VAT (at a rate of 17%) invoices within ten days upon delivery. If the Seller fails to
provide VAT invoices within thirty days upon delivery, which results in the loss of the Buyer, the Seller shall be liable for compensation.

 

		6.	Liability for Breach of Contract and Termination

 

		6.1	Delay: In case of the Seller's delay in performance of
the delivery (including delay in returning or replacing the nonconforming product) and the refund obligation, the Seller shall
pay 1% of the value of the unperformed obligation each day to the Buyer as liquidated damages for the delay.

 

		6.2	Any one of following two circumstances occurring during
the performance of the Contract will be deemed as fundamental breach of contract;

 

		6.2.1	The period of the Seller's delay in delivery (including
delay in returning or replacing the nonconforming product) continues for more than 7 days and the Seller is deemed as failing
to deliver (replace) the product;

 

    	 

    	 

    

  

		6.2.2	The quality of the product provided by the Seller is inconsistent
with the quality standards agreed in the Contract or the quality of the product is still not consistent after repairing or replacing;
in case any one of the above situation occurs, the Buyer has the right to terminate the Contract (or the portion unfulfilled)
by giving a notice to the Seller. The Seller shall pay 20% of the value of the unfulfilled portion of the Contract to the Buyer
as liquidated damages within 3 days upon receipt of the Buyer's written notice of termination; if it causes any loss to the Buyer,
the Seller shall be responsible for compensating for such loss, including but not limited to the loss of the Buyer's machine and
equipment and other related losses such as decline in the product quality, production lines shut down and claims from end users
etc.

 

		7.	Assignment of Contract and Confidentiality

 

		7.1	Neither Party may assign any of its rights or obligations
hereunder to any third party without the prior written consent of the other Party. All the terms and conditions of this Contract
and any supplementary agreement shall be treated as trade secrets by the Buyer and the Seller and their employees, agents, representatives
or consultants and shall not be disclosed to any third party without the written consent of the other party. Where there is any
default, the defaulting party shall be liable for damages for any and all direct and indirect loss caused to the non-defaulting
party.

 

		8.	Force Majeure

 

If any
event of force majeure occurs which prevents either party or both parties from fulfilling the Contract, the party subject to the
force majeure event shall send a written notice within 7 days upon the occurrence of the event of force majeure to the other party
and provide the written document certified by the local notary office within 15 days. In the case that any event of force majeure
occurs during the period that any party delays performing its obligations hereunder, the party affected by the force majeure event
shall not take the event of force majeure as an excuse for exempting or relieving such party from the responsibility of default.

 

The
time limits for providing dissents and notices (other than a notice of force majeure) under this Contract shall be extended accordingly
as a result of force majeure.

 

In the
event that the event of force majeure persists for 60 days or more, or the fluctuation of the market price is more than ±5%
during the period of the force majeure, either party has the right to renegotiate the price or terminate the Contract by providing
a written notice.

 

		9.	Applicable Law and Settlement of Dispute

 

		9.1	The formation, interpretation and execution of this Contract
shall be governed by the relevant laws of the People's Republic of China.

 

		9.2	All disputes arising out of the validity, execution and
interpretation of the Contract shall be settled amicably through friendly negotiation; otherwise such dispute shall be submitted
by either party to court for legal actions. The parties agree that the dispute shall accept the jurisdiction of the People's courts
where the Buyer is located. All costs and expenses in connection to such proceedings (including attorney fees, travel expenses,
costs for evidence collection, notary fees and legal fees) shall be born by the losing party.

 

		10.	Provisions for Affiliate Companies

 

		10.1	During the term of the Contract, the Buyer has the right
to assign part of its rights and obligations hereunder to the affiliate companies designated by the Buyer. The affiliate companies
designated by the Buyer to enjoy rights and fulfill obligations under this Contract accordingly are: CEEG (Nanjing) PV-Tech Co.,
Ltd., CEEG (Shanghai) Solar Science Technology Co., Ltd. and CEEG (Nanjing) Renewable Energy Co., Ltd.

 

    	 

    	 

    

  

		10.2	The affiliate companies designated by the Buyer will place
the purchase order according to the terms and conditions hereunder, and the Seller shall fulfill the obligation of supplying the
Product and issue the VAT invoice to the affiliate companies which have placed the order and settle the payment for the product
according to the terms of payment set out hereunder.

 

		10.3	The Seller confirms that the Buyer's affiliate companies
will equally enjoy the rights enjoyed by the Buyer hereunder when there is transaction occurring between the Seller and the Buyer's
affiliate companies.

 

		11.	Miscellaneous

 

		11.1	Prohibition of
                                         Commercial Bribery and Business Strife: neither party nor any of its staff may, directly
                                         or indirectly, provide an unfair profit or advantage in any name for any staff of the
                                         other party, or deal with any business similar to the Contract with any staff of the
                                         other party (including any third party introduced by any staff of the other party). Otherwise,
                                         the defaulting party will be deemed infringing the interests of the non-defaulting party
                                         and shall pay liquidated damages of 20% (not exceeding RMB1,000,000)of the total contract
                                         value to the non-defaulting party. All direct or indirect losses of the non-defaulting
                                         party caused thereby that can not be covered by the aforesaid liquidated damages shall
                                         be fully compensated by the defaulting party. The way to report bribery: Anti-commercial
                                         Bribery Committee of CEEG (Nanjing) PV-Tech Co., Ltd., Fax:025-52766726. E-mail:JC@chinasudergy.com.

 

		11.2	Prohibition of Commercial Fraud: If the Seller, in violation
of good faith, provides false registration information, false certificate of qualification and the other false information to
the Buyer or conceal the truth to deceive the Buyer, it shall pay liquidated damages of 20% (not exceeding RMB1,000,000) of the
total contract value to the Buyer.

 

		11.3	The limitation of the liquidated damages set out in this
article will not affect other liabilities of breach that the defaulting party might bear in accordance with other terms where
applicable.

 

		11.4	Notices: All notices and dissents under this Contract shall
be sent by facsimile transmission or delivered by courier service. Notices sent by facsimile transmission shall be deemed to have
been effectively served on the date of transmission thereof; notices delivered by courier service shall be deemed to have been
effectively given on the fifth day after they are sent out.

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