Yang Jianwei: Male, born in 197 1, party member, CPC, doctor of management. He used to be the account manager of China Nonferrous Metals Materials Corporation Shanghai Admiralty Futures Brokerage Company, the project manager of Hongyuan Securities Shanghai Investment Bank, the assistant to the general manager of Shanghai Xinghe Digital Investment Co., Ltd., the assistant to the general manager of the board office of Shanghai Industrial (Group) Co., Ltd., the assistant to the president of Shanghai Industrial Holdings Co., Ltd., the deputy general manager of SIC Management (Shanghai) Co., Ltd., the current director and general manager of Silicon Carbide Management (Shanghai) Co., Ltd., the executive director of Shanghai Industrial Environment Holdings Co., Ltd. and the