J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
3A Chemicals
Telephone400-668-9898
Websitehttp://www.3achem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 13502246435
Websitehttp://www.dmstandards.com/
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850
Websitehttp://www.leapchem.com
HANGZHOU LEAP CHEM CO., LTD.
Telephone+86-571-87711850
Websitehttps://www.leapchem.com