Shanghai Sealing Biotechnology Co. Ltd..
Telephone 15721176654;15710104046
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30844/0_EN.htm
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Sichuan Shangang Biopharmaceutical Technology Co., Ltd
Telephone13990000934,13076045191 13990000934
Website
Nanjing SynTitan Pharmaceutical Co., Ltd.
Telephone25-57027686 17372956142
Websitehttp://www.syntitan.com/