exhibit 10. 15 asiainfo - linkage technologies ( china ), inc. confidentiality and non - competition agreement party a : asiainfo - linkage technologies ( china ), inc. address : 3 - 4 f, zhongdian information tower, no. 6 zhongguancun south street, haidian district, beijing, p. r. china legal representative : steve zhang party b : yadong jin address : id card / passport no. : party a and party b mutually recognize that party b has the obligation to abide by certain information security and trade secret laws and regulations. party a and part b acknowledge and agree that any such violation may be subject to liabilities under certain provisions of chinese criminal laws, the relevant sections of which are attached hereto as exhibit a. party a and party b mutually recognize that party b may have access to or become aware of the trade secrets of party a and any third party during the employment of party b, and that the trade secrets of party a and / or any third party have significant effect on their competitive advantages in the market. party b acknowledges that, if the trade secrets of party a and / or any third party are not effectively protected, the production and operations of party a and / or any third party may be threatened, and the company may even sustain irrecoverable losses. therefore, it is party b ’ s obligation to keep the trade secrets of party a and / or any third party confidential. party a and party b also agree that party b might have access to certain third party ’ s business operation system or telecommunications network and information during the employment, thus it is also party b ’ s obligation to strictly comply with any third party ’ s operation rules and protect telecommunications network and information security. in consideration of the foregoing, party a and party b hereby enter into this agreement in accordance with the current applicable laws and regulations of the people ’ s republic of china with respect to maintaining the confidentiality of the trade secrets of party a by party b and party b ’ s certain non - competition obligations during the period when party b is employed by party a and after party b ’ s employment with party a is terminated. 1. general principles and definitions 1. 1 in order to protect the legal rights and interests of both parties, the following principles shall apply to this agreement : this agreement should prevent any unfair competition activities against party a as well as to ensure that the party b ’ s legal