J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai URChem Limited
Telephone+86-021-50890968,021-50891159 +86-18601776121
Websitehttp://www.urchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
CONIER CHEM AND PHARMA LIMITED
Telephone
Websitehttp://www.conier.com/
Shanghai Yanze Chemical Co., Ltd.
Telephone15345144255 19975051755
Websitehttps://show.guidechem.com/yanzehuagong