exhibit 10. 15 code : 110004881100011 agreement factoring service with recourse ( buy - back ) the seller : tianjin seashore new district shisheng business trading group co., ltd address : legal representative : cheng weihong factoring bank : tianjin branch of zheshang banking inc. address : 37 youyi north road, hexi district, tianjin representative : zhou ping content article one definition article two presentation and warranties article three financing amount, prepay percentage and term of factoring article four interests and expenses article five transfer of receivables article six collection of receivables article seven buy - back article eight reservation and exercise of recourse article nine undertakings article ten default liabilities article eleven miscellaneous article twelve settlement of dispute article thirteen effectiveness, modification and termination article one definition application letter for transfer of receivables shall refer to the document in appendix 3 hereto ; confirmation letter for transfer of receivables shall refer to the document in appendix 4 hereto ; contract of factoring service shall refer to the document in appendix 5 hereto ; notice of receivables transfer shall refer to the document in appendix 6 hereto ; factoring account shall refer to the specific account through which the factoring bank provides its factoring services to the seller. all account receivable from the buyer under this agreement shall be paid to this account. 1. 2 unless otherwise provided herein, a. this agreement shall include any amendment or supplement thereto or to any factoring document ; b. the provisions and appendix shall refer only to the provisions and appendix of this agreement ; c. the titles and subtitles used herein are for reference purpose only, and shall neither constitute any interpretation nor any limit of context or scope of this agreement. article two presentation and warranties 2. 1 the seller hereby presents and warrants to the factoring bank that : a. it is incorporated under the laws of the people ’ s republic of china conducting business within the scope of its business license ; b. it has the full competence to perform the rights and obligations hereunder ; c. its performance of this agreement will not violate or be in conflict with any laws or regulations that are binding upon it ; its performance of this agreement will not violate any other contract binding upon it or any document or charter under which it is established ; d. all information provided by the seller the factoring bank are true, correct and complete,