Huang Jianmin: Male, Han nationality, born in April, 1968, party member, Hunan Xiangyin, master's degree, economist and engineer. He has served as secretary of the general manager's office, securities affairs representative, business director of equity management department, business director of planning department, senior director and deputy general manager of securities department of Shenzhen Zhongjin Lingnan Nonferrous Metals Co., Ltd.; Deputy General Manager of Shenzhen Zhongjin Lingnan Technology Co., Ltd.; General Manager of Securities Department, Secretary of Board of Directors and General Manager of Capital Operation Department of Shenzhen Zhongjin Lingnan Nonferrous Metals Co., Ltd.; He is currently the secretary of the board of directors and the general manager of the capital operation department of the Company, and concurrently serves as the director of Shenzhen Jinhui Futures Brokerage Co., Ltd. ..