J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone13500006345; 13500006345
Website
Cato Research Chemicals Inc.
Telephone 18933936954
Websitehttps://www.catorm.com/
Aikon International Limited
Telephone 18651614124
Websitehttps://www.aikonchem.com/
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
