Document:

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                                                                   Exhibit 10.17

                     MANAGEMENT CONSULTING SERVICE AGREEMENT

PARTY A: Solarfun Power Holdings Co., Ltd.
ADDRESS: No.666 Linyang Road, Development Zone, Qidong, Jiangsu, China
LEGAL REPRESENTATIVE: Lu Yonghua
TELEPHONE: 0513-83307688
FAX: 0513-83110367

PARTY B: Hony Capital II, L.P.
ADDRESS: 7F, Tower A, Raycom InfoTech Park, No.2, Ke Xue Yuan Road (South),
Haidian District, Beijing
LEGAL REPRESENTATIVE: Liu Chuanzhi
TELEPHONE: 010-62509929
FAX: 010-62509181

     In order to assist Party A to improve its operations, after friendly
communication and negotiation between two parties, Party B has agreed to provide
Party A management consulting services on the following terms:

ARTICLE 1. Party A hereby hires Party B as its management consultant. Based on
     this agreement, Party B will offer management consulting services to Party
     A.

ARTICLE 2 Party B's consulting services include:

     2.1 Management consulting services: assisting Party A in its strategic
development, improvement of internal management; and assisting Party A to
achieve more international standards with regard to its operation to ensure its
sustainable development.

     2.2 Sharing with Party A the management knowledge and experience of Party B
and its parent company, Legend Holdings;

     2.3 Assisting in the IPO process by aiding the underwriters' team for Party
A's IPO and facilitating the cooperation between Party A and the underwriter and
helping to resolve any difficulties during the IPO.

     2.4 Party B will assign one of its partners, Deng Xihong (hereinafter,
referred to as "Ms. Deng") to serve as the Executive Vice President of Party A
for one year on a full-time basis. Ms. Deng shall assist Party A to build up a
high quality international professional

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team for the International Business Division covering areas of purchasing of
silicon materials and sales of silicon modules in the international market. Ms.
Deng shall help facilitate the technical cooperation between Party A and leading
solar energy or photovoltaic research institutes and assist in the formation of
close cooperation R&D projects and help to introduce global talent to Party A.
Ms. Deng shall also participate in the road show of Party A's IPO. Ms. Deng will
report directly to the CEO of Party A, Lu Yonghua. During the employment period,
Ms. Deng should assisting in identifying and recruiting suitable talent with a
skill set comparable to Ms. Deng who could take over Ms. Deng's position and
lead the expansion of the international business division in the future.

ARTICLE 3. Based on the services offered by Party B in this agreement, Party A
     will pay a service fee in the aggregate amount of RMB 2,000,000 (RMB Two
     Million) to Party B, which will be paid evenly on a monthly basis beginning
     upon signing of this agreement. Party B will also receive extra RMB
     2,000,000 (RMB Two Million) by the end of the services period, and that
     could be accelerated in case of the quality of Party B's services reach
     Party A's request. Ms. Deng will receive from Party A a housing allowance
     and reimbursement of business trip expenses as incurred for rendering the
     services under this agreement. Such allowance and reimbursement will be
     provided by Party A to Ms. Deng and Party B will be responsible for the
     payment of any individual income taxes associated with providing the
     services under this agreement.

ARTICLE 5. Party B and Ms. Deng acknowledge that the information received from
     Party A pursuant to this agreement may be confidential and is for its use
     only, and Party B or Ms. Deng will not use such confidential information
     for purposes other than for purposes consistent with and in furtherance of
     this agreement or reproduce, disclose or disseminate such information to
     any other person (other than its affiliates, employees or agents having a
     need to know the contents of such information, and its attorneys), except
     in connection with the exercise of rights under this agreement, unless (i)
     Party A has made such information available to the public generally; or
     (ii) Party B or Ms. Deng is required to disclose such information by a law,
     Governmental Order or Governmental Authority.

ARTICLE 6. This agreement is effective as of November 18, 2006 and will
     terminate on

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     December 31, 2007 and the services described above shall be provided over
     this entire term.

ARTICLE 7. Party A and Party B further agree that:

1. Party B hereby guarantees that Ms. Deng is available to work in Party A until
the end of 2007. If Party B identifies a capable candidate that Party A confirms
to be a suitable replacement of Ms. Deng, Party A will permit Ms. Deng to leave
Party A ahead of the completion of the period set forth herein.

2. If Ms. Deng decides to leave Party A on her volition prior to the expiration
of the employment period, Party A may reduce the corresponding service fee paid
to Party B in proportion to Ms. Deng's actual working period.

ARTICLE 8. This agreement shall be governed by and be interpreted in accordance
     with the laws of the People's Republic of China. The parties hereto shall
     settle any dispute arising from this agreement through friendly
     negotiation. If agreement cannot be reached, the parties may plight any
     disputes to the Court in the venue that sign this agreement.

ARTICLE 9. This agreement is signed in the English language in two (2)
     originals, and in the Chinese language in two (2) originals. The English
     language version shall govern. Each party will hold one original copy of
     the English version and one original copy of the Chinese version.

Party A: Solarfun Power Holdings Co., Ltd.

Authorized Representative: /s/ Yonghua Lu
                           --------------------------------

Party B: Hony Capital II, L. P.

Authorized Representative: /s/ authorized representative of Hony Capital II,
                               L.P.
                           ---------------------------------------------------<PAGE>
                                                                   Exhibit 10.18

Bid Invitation and Letter of Acceptance for Shanghai Chongming Qianwei Village
960kW Solar PV Power Generation Model Project, dated September 28, 2006 and
November 9, 2006, respectively
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                                    English Translation of the Original Contract

                  Shanghai Environmentally Friendly Energy Engineering Co., Ltd.

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                                 BID INVITATION

Shanghai Environmentally Friendly Energy Engineering Co., Ltd. hereby invites
qualified bidders to participate into the closed bidding for the 960kW solar
panels to be used in Shanghai Chongming Qianwei Village Solar PV Power
Generation Model Project.

1.   Reference No. of the Bid Invitation Documents: [2006] 1023

2.   Release and Sale of the Bid Invitation Documents:

     Any invitee who is willing to participate into the subject bidding may,
     against the copy of its business license affixed with the company seal and
     relevant documents evidencing its qualifications, purchase the whole set of
     the bid invitation documents at the price of RMB3,000/set at the following
     time and in the following place: 9:00am-11:00am in the morning and
     01:00pm-04:30pm in the afternoon, from September 28, 2006 to September 29,
     2006, and in the office of Shanghai Environmentally Friendly Energy
     Engineering Co., Ltd. located in Rm. 1806, 319 Changde Road, Shanghai. The
     bid invitation documents are not refundable.

3.   The contents and scope of the bid invitation and bid submission for the
     subject bidding for solar panels to be used in Shanghai Chongming Qianwei
     Village Solar PV Power Generation Model Project are set forth in detail in
     the bid invitation documents and technical requirements. Any bidder who has
     any question about any bid invitation document may submit such question to
     us in writing prior to 10:00am on October 11, 2006 and we will answer all
     such questions so submitted on a centralized basis.

4.   The pre-bidding meeting for the subject bidding is scheduled for 9:00am on
     October 13, 2006 in our meeting room. Representatives from relevant bidders
     are requested to show up at such meeting punctually.

4.   Deadline for Bid Submission:

     16:00pm on October 20, 2006 (Beijing Time). Any bidding document submitted
     after the deadline will be rejected.

5.   Venue for Bid Submission:

     Shanghai Environmentally Friendly Energy Engineering Co., Ltd.

     Address: Rm. 1806, 319 Changde Road

     Contact person: Ms. Shen, Ms. Lu

     Telephone: (021) 62172616

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6.   The bid opening ceremony will be held at 10:00am on October 23, 2006 in the
     meeting room of Shanghai Environmentally Friendly Energy Engineering Co.,
     Ltd. Authorized representatives of bidders are requested to be present
     thereat punctually and sign in on arrival at the bid opening ceremony.

The bid invitation, bid submission and bid opening set forth above follow the
statutory sequence. In case of any change in the schedule specified herein
above, we will notify you thereof in writing.

SHANGHAI ENVIRONMENTALLY FRIENDLY ENERGY ENGINEERING CO., LTD. (affixed with the
company seal)

                                         September 28, 2006

Invitees (this list does not represent the order of priority)

Shanghai Solar Energy S&T Co., Ltd.

Suntech Power Holdings Co., Ltd.

Jiangsu Linyang Solarfun Co., Ltd.

                                       2
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                            BIDDING FOR SOLAR PANELS

                                       IN

   SHANGHAI CHONGMING QIANWEI VILLAGE SOLAR PV POWER GENERATION MODEL PROJECT

                              LETTER OF ACCEPTANCE

Shanghai Linyang Solar Technology Co., Ltd.:

The bidding for solar panels set forth in the Bid Invitation Documents [2006]
1023 has been concluded up to date. After evaluation, your company has been
selected as the No. 1 bid winner.

The total price of the bid shall be calculated in accordance with the offer set
forth in the bidding documents. The period of the project under the bid shall
last from November 10, 2006 to January 31, 2007. Quality of the relevant
equipment shall comply with the parameters promised in the bidding documents and
applicable superior standards conforming to the equipment quality testing
specifications of the State. As soon as practicable following your receipt of
this letter, you shall send your acknowledgement of receipt to us and come to
Rm. 1806, 319 Changde Road, Shanghai to execute an equipment procurement
contract with and pay a performance bond to Shanghai Environmentally Friendly
Energy Engineering Co., Ltd.

SHANGHAI QIANWEI NEW ENERGY DEVELOPMENT CO., LTD. (affixed with the company
seal)

                                         November 9, 2006

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