Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 17825480238
Websitehttp://www.dmstandards.com/
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
Guangdong Wengjiang Chemical Reagent Co.,Ltd.
Telephone0751-2815983 13927872582
Websitehttp://www.wj-chem.com/