Yang: Male, born in February of 198 1, China nationality, graduate degree, engineer. He used to be a software engineer of Tsinghua Tongfang Weishi Technology Co., Ltd., director of the Science and Technology Department of the Business Management Department of Shenyang Branch of the People's Bank of China, senior manager of Kaiyuan (Beijing) Urban Development Fund Management Co., Ltd. (during which he seconded three shares of Guo Kai Finance Co., Ltd.) and senior manager of Huaxin Investment Management Co., Ltd. (national integrated circuit fund manager). He is currently the deputy general manager of the third investment department of Huaxin Investment Management Co., Ltd., the deputy general manager of the third investment department of Huaxin Investment Management Co., Ltd. (national integrated circuit fund manager), the vice chairman of Shenyang Tuojing Technology Co., Ltd., the director of Zhongwei Semiconductor Equipment (Shanghai) Co., Ltd., the director of Yantai Debon Technology Co., Ltd., the director of Hangzhou Changchuan Technology Co., Ltd., the director of Hangzhou Changxin Investment Management Co., Ltd., the director of Shanghai Silicon Industry Group Co., Ltd., and the director of ACM Research: