Tongling HengYou Biotechnology Co., Ltd.
Telephone021-50426030 13856289449;13124863828
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16800/0_EN.htm
Jiaxing Nova Chemical Co., Ltd.
Telephone021-20921617 18957373295
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30610/0_EN.htm
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone13611835272 13611835272
Websitehttp://www.sunwaypharm.cn/