Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Shanghai Synchem Pharma Co., ltd
Telephone21-619849051-1 18521059765
Websitehttp://www.synchem-pharma.com
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 19171453112
Websitehttp://www.yongstandards.com/
Nanxiong Puqiang Biology Science and Technology Co., Ltd
Telephone15702096460 13602449734
Websitehttp://puqiangchem.com/