Exhibit 10.18

MANAGEMENT FEE PAYMENT AGREEMENT

This Management Fee Payment Agreement (the Agreement) is entered into effective as of May 18, 2010 between the following parties in Beijing.



|         |  |                                                                                                                                                                                                                                   
|-------- |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|Party A: |  | (1) Cheng Guang, a citizen of the Peoples Republic of China (the PRC).                                                                                                                                                         
|         |  | ID No.: 110105196301130950                                                                                                                                                                                                        
|         |  | Address: No.2, Building 63, No. 2 of Beiyuan, Chaoyang District, Beijing, PRC.                                                                                                                                                    
|         | 
|         |  | (2) Ma Hongzhi, a citizen of the PRC.                                                                                                                                                                                             
|         |  | ID No.: 370631197202121015                                                                                                                                                                                                        
|         |  | Address: No.1711, Building 2, No.2 of Anhuidongli, Chaoyang District, Beijing, PRC.                                                                                                                                               
|         | 
|         |  | (Cheng Guang and Ma Hongzhi are collectively referred to as Party A)                                                                                                                                                            
|         | 
|Party B: |  | Tri-Tech (Beijing) Co., Ltd.,a wholly foreign-owned enterprise duly established and valid existing under the laws of the PRC. Registered Address: Room 1102 Beiguang
Plaza, No. 23 Huangsi Avenue, Xicheng District, Beijing, PRC.
|         | 
|         |  | Business Address: Room 5D, Section A, Building 2 of Jinyuanshidai Business Center, No. 2 East Landianchang Road, Haidian District, Beijing, PRC.                                                                                  
|         | 
|Party C: |  | Beijing Satellite Science & Technology Co. Ltd., a limited liability company duly established and valid existing under the laws of the PRC.                                                                                       
|         |  | Registered Address: No.16, Zhongguancun South Third Street, Haidian District, Beijing, PRC.                                                                                                                                       

WHEREAS,Party A is the current legal shareholder of Party C and holds a 100% interest in Party C;

WHEREAS,Party A, Party B and Party C, have entered into a Proxy Agreement, Exclusive Equity Interest Purchase Agreement (the Purchase Agreement) and other agreements.



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NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged, the Parties agree as follows:



|1. | Party A hereby agrees to make the payment stipulated in Article 2 hereunder to Party B, at the time stipulated in Article 3 hereunder, as a fee for serving as a proxy
and providing company management (the Management Fee).
|-- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|2. | The amount of the Management Fee under Article 1 hereof shall be the same as the amount Party A receives as the Transfer Fee from Party B pursuant to the Purchase
Agreement.
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|3. | Payment of the Management Fee under Article 1 hereof shall coincide with payment of the Transfer Fee under the Purchase Agreement.
|-- | ----------------------------------------------------------------------------------------------------------------------------------



|4. | This Agreement has been duly executed by each of the Parties and/or their authorized representatives and shall take effect as of the date first set forth above.
|-- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



|5. | This Agreement shall expire on the date that is twenty-five (25) years following the date hereof. This Agreement may be extended prior to termination upon the
written agreement of each Party.
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|6. | Any amendment supplement or rescission of this Agreement shall be effective if made in writing and executed by all of the Parties hereto.
|-- | -----------------------------------------------------------------------------------------------------------------------------------------

[Remainder of Page Left Intentionally Blank  Signature Page Follows]



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[Management Fee Agreement Satellite  Signature Page]

IN WITNESS WHEREOF, the Parties have executed this Agreement on the date first above written.



Party A:/s/ Cheng GuangCheng Guang/s/ Ma HongzhiMa Hongzhi




Party B: Tri-Tech (Beijing) Co., Ltd. (seal)By:

/s/ Warren ZhaoName:

Warren ZhaoIts:

CEO




Party C: Beijing Satellite Science & Technology Co. Ltd. (seal)By:

/s/ Cheng GuangName:

Cheng GuangIts:




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