Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd
Telephone 18569809817
Websitehttp://www.wzxchem.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
Cato Research Chemicals Inc.
Telephone81960175 18933936954
Websitehttps://www.cato-chem.com/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Henan Tianfu Chemical Co.,Ltd.
Telephone+86-0371-55170693 +86-19937530512
Websitehttps://www.tianfuchem.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
