How old is Zhang Yushuai? Director Dong Yangguang

Zhang Yushuai: Male, China nationality, without permanent residency abroad, master's degree. From July 20 1 1 year to May 201April, he served as the director of the Institute of Biology of Dongguan Dongyang Pharmaceutical R&D Co., Ltd.; From June, 20 14 to August, 20 15, he served as the director of the Institute of Imitation Medicine of Dongguan Dongyangguang Pharmaceutical R&D Co., Ltd. and the vice president of Dongyangguang Research Institute; 2065438+Since June 2005, he has served as the director of Yichang Dongyangguang Pharmaceutical Co., Ltd.; 2017 65438+16 October, he has served as the chairman of Guangdong dongyangguang technology holding co., ltd. ..