Nanjing Kairun Biochemical Engineering Co.,Ltd. (originally Nanjing Tiancheng Biochemical Engineering Co.,Ltd.) is established by national biochemical engineering research center.As a technological industrial enterprise,our main target is product research and technological innovation.For many years,on the basis of completing national and provincial technological issues,our many advanced technology has achieved industrialization in our company and other domestic companies.Especially DL-Serine of...