J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.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
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 15900491054
Websitehttp://www.scrbio.com/