Shenzhen Botel Biotechnology Co. Ltd.
Telephone13316949107 13316968096
Websitehttp://www.szbotaier.com/
Heyuan broad spectrum Biotechnology Co., Ltd
Telephone0762-3393039 18023108599
Websitehttp://www.gpbiotech.cn/
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
Cato Research Chemicals Inc.
Telephone81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Shanghai Kaisen Biotechnology Co., Ltd
Telephone 17558870519
Websitehttps://coa.ikekule.com/
Nanjing bojida Pharmaceutical Technology Co., Ltd
Telephone 18762407961
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1743407/0_EN.htm
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/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
