Tian Sha: Male, party member of the Communist Party of China, university degree, senior engineer. He used to be vice president, director, vice president, chief quality engineer, dean of technical research institute and secretary of party branch, director of business planning department, general manager of Shanghai sales branch and secretary of financial party branch of Shaanxi Qinchuan Machine Tool Group Co., Ltd. He is currently the deputy general manager of the company, president of Academia Sinica, director of planning and investment department and marketing department, executive director of Shaanxi Qinchuan Machinery Import and Export Co., Ltd., director of xi 'an Qinchuan CNC System Engineering Co., Ltd., director of Shaanxi Qinchuan CNC Precision Machine Tool Service Co., Ltd. and director of Xi 'an Qinchuan Siyuan Measuring Instrument Co., Ltd.