Who is Yang? Chairman of Shandong David

Ms. Yang: Born in 1977, with a master's degree. He used to be a staff member of Shandong David Machine Tool Group Company, a director of Shandong David Group Co., Ltd. and a chairman of Shandong David Machinery Co., Ltd.; He is currently the chairman of Shandong David Machinery Co., Ltd., the executive director of Shandong David Sales Co., Ltd., the executive director of Shandong David Sawing Co., Ltd., the executive director of Weihai David Precision Casting Co., Ltd., the director of Shandong David Real Estate Co., Ltd. and the director of Weihai Kangshenbao Biological Products Co., Ltd.