Bide Pharmatech Ltd.
Telephone400-164-7117 18317119277
Websitehttp://www.bidepharm.com
ShangHai Book Chemical Co., Ltd.
Telephone15001988657 15802146997
Websitehttp://www.bookchemicals.com
Shanghai Huaxinwei Chemical Technology Co., Ltd.
Telephone18019176997 18019176997
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31021/0_EN.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shijiazhuang Yansheng Biotechnology Co., LTD
Telephone18332018567; 18332018567
Website