av在线资源网,在线电影欧美成精品,中国a级黄色片,人人干在线,黄色高清一级片,国产在线一区视频,欧美色片网站

Contract manufacturing
Based on the experience of Research & Development and production of β-lactams medicine and carbapenem medicine, we have unique advantages on the relevant reaction types, and we have an exleceent experienced teamwork on the registration to provide the contract Research & Development and Contract manufacturing  services for our customers.