Who's Zhang Yousheng? Besme employee supervisor

Zhang Yousheng: Male, born in February, 1987, China nationality, without permanent residency abroad, bachelor degree. From July 20 10 to June 20 13, he worked as a technician of Hangzhou Luchang Environmental Engineering Co., Ltd., and from July 20 13 to June 20 16, he worked as the director of safety and environmental protection department of Zhejiang Yuntao Biotechnology Co., Ltd., and from February 20 16 to now, he has worked as Shaoxing Besmei Chemical Co., Ltd.