What is Ceng Ming's position? Chairman of silicon carbide development company

Ceng Ming: Male, born in 1970, party member, CPC, university degree, senior engineer. He used to be the deputy director of Shanghai Highway Management Office, the deputy director of Shanghai Huchong River Channel Preparation Office, the deputy general manager of Shanghai Huchong River Channel Investment Development Co., Ltd., the director of the planning and finance department of Shanghai Municipal Engineering Administration, the director of the construction market supervision department of Shanghai Urban and Rural Construction and Transportation Committee, the director of Shanghai Building Materials Industry Management Office, the deputy general manager of China Construction Eighth Engineering Bureau Co., Ltd., and the chairman and executive director of Shanghai Industrial City Development Group Co., Ltd. Chairman of Shanghai Cheng Kai (Group) Co., Ltd., currently the chairman of the seventh board of directors of the company, concurrently the director of Shanghai Industry (Group) Co., Ltd. and the vice chairman of Shanghai Overseas Joint Investment Co., Ltd.