Jing Chun: Male, born in February 1967, China nationality, without permanent residency abroad, graduated from Baotou Iron and Steel Institute with a bachelor's degree, and is a senior mining engineer. 1August 1988 to1March 1990 as a technician in metallurgical Jian' an company of Beijing Nonferrous Metals Industry Corporation; 1From March 1990 to September 2000, he served as the director and assistant manager of the production scheduling, production construction coordination department and investment development department of Beijing Gold Company, and concurrently served as the director of Detian Gold Mining Company. From September 2000 to May 2004, he served as mining project manager of Bao Zhong Diamond Investment Co., Ltd.; During the period, he concurrently served as deputy general manager of Beijing Rare and Precious Metals Trading Co., Ltd. and executive director of Longxiang Mining Company; From June 2004 to September 2006, he served as manager of mining department of Beijing Agricultural Group Co., Ltd.; From June 65438 to October 2006, he served as deputy general manager of Qinghai Western Resources Co., Ltd. and Qinghai Western Rare and Precious Metals Co., Ltd., concurrently served as director, chairman and general manager of Taojiang Jiutong Antimony Industry Co., Ltd., and concurrently served as director of the technical committee of Tibet Huayu Mining Co., Ltd. in March 20 19.