J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shenzhen Excellent Biomedical Technology Co., Ltd.
Telephone0755-26050679 18318671572
Websitehttps://www.ex-biotech.com/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Cato Research Chemicals Inc.
Telephone 18933936954
Websitehttps://www.catorm.com/