Chai: Male, China nationality, Han nationality, born in September, 1969, bachelor degree. He has served as dispatcher and administrative task manager of Dingxi Branch of State Grid Gansu Company, general manager of Shanghai Caidu International Trade Co., Ltd., operation director of Gansu Zhongxing Zinc Industry Co., Ltd. and general manager of Gansu Saimon Industry and Trade Co., Ltd.; 20 1 1 year1/month-2065438+In May 2007, he served as the managing director of Shaanxi Huajiang Mining Co., Ltd., and since June 20 17, he has served as the assistant to the general manager of Shaanxi Huaze Nickel Cobalt Metal Co., Ltd.. 20 19 10 resigned as the director of Chengdu Hua Ze cobalt-nickel materials co., ltd. 20 19 12.23 became the general manager of Chengdu Hua Ze cobalt-nickel materials co., ltd.