发布时间:2017-03-20 浏览量:4196
Yan Yongxin, master\'s degree holder, senior engineer, expert in project uation in Jiangxi Province, formerly served as the Director of Veterinary Drug R&D at Zhengbang Group, engaged in the development of new veterinary drugs for more than 20 years, and has obtained 9 new veterinary drug certificates.