Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
Ningbo Benkang jishi Pharmaceutical Technology Co., Ltd.
Telephone 15990591583
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1449608/0_EN.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Suzhou Gopon Pharmaceutical Co., Ltd
Telephone 13358059751
Websitehttps://www.gopon.com.cn
Changzhou Book Chemical Co., Ltd.
Telephone13606129753 13775119556
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList14517/0_EN.htm