Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Shanghai Chaolan Chemical Technology Center
Telephone021-QQ:65489617 15618227136
Websitehttp://www.atkchemical.com/
Wuxi Donghe Pharmaceutical Technology Co., Ltd.
Telephone63313187 15358055255
Websitehttp://www.cegchemical.com
Shanghai Yifei Biotechnology Co. , Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Hubei wei shi reagent group ltd., company
Telephone027-59101766 13125137661
Websitehttps://www.4008081911.com