J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Bide Pharmatech Ltd.
Telephone400-164-7117 18317119277
Websitehttp://www.bidepharm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shanghai Yanze Chemical Co., Ltd.
Telephone15345144255 19901447308
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1931493/0_EN.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/