J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
LETOPHARM LIMITED
Telephone+86-21-5821 5861
Websitehttp://www.letopharm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
https://hanhongsci.com/
Telephone021-54306202 18917919676
Websitehttps://www.hanhongsci.com/
Beijing Boorsen Biotechnology Co., Ltd
Telephone400-901-9800 18611424007
Websitehttp://www.bioss.com.cn/
ATK CHEMICAL COMPANY LIMITED
Telephone+undefined-21-51877795
Websitehttp://www.atkchemical.com