What's Zhang's background? Sheng gang tai dong mi

Zhang: Male, born in 1987, China nationality, bachelor degree, holding the qualification certificate of secretary of the board of directors of Shanghai Stock Exchange. He used to be the securities affairs representative of Nanjing Haiyun Special Metals Co., Ltd., the director and securities affairs representative of Jiangsu Hengtong Optoelectronics Co., Ltd., and the secretary-general and director of the securities department of Huada Automobile Technology Co., Ltd.