What is Ma's position? * Director of ST Huangtai

Ma: Male, Han nationality, born in 1965, China nationality, Bachelor of Laws and Master of Laws from Peking University, Doctor of Laws from St. John's University, USA, with lawyer qualification. He used to be the deputy manager and legal adviser of the project department of China Investment Bank Heilongjiang Branch, and once served as Hall &；; Assistant Lawyer of Hall Law Firm, Partner Lawyer of Beijing Shuangcheng Law Firm, Deputy Director of the Legal Department of Shenzhen Stock Exchange, Deputy Director of the Financial Work Office of Gansu Provincial People's Government, General Manager of Gansu Provincial State-owned Assets Investment Group Corporation, Chairman of Gansu Trust Co., Ltd., Partner of Shanghai Lin Jing Investment Management Co., Ltd., Chairman of Sheng Da Metal Resources Co., Ltd., currently Chairman of Sanhe Huaguan Resources Technology Co., Ltd. and President of Shenzhou Sheng Da Holding Group Co., Ltd. .. Since April 29, he has served as the seventh company.