J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.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
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126 15697568805;
Websitehttp://www.aobchem.com.cn/
Shaanxi kelkai Pharmaceutical Technology Co., Ltd
Telephone029-029-2148545164 17392779578
Website
Shaanxi Istare Biotechnology Co., Ltd.
Telephone 18682931470
Websitehttp://www.istarepharm.com/