J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 13167063860
Websitehttp://www.aladdin-e.com/
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttps://www.standardpharm.org.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81120477 17792793610
Websitehttp://www.dideu.cn
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 15900491054
Websitehttp://www.scrbio.com/
Shanghai Weiyite Biotechnology Co., Ltd
Telephone 15317051735
Websitehttp://www.wytsci.com
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone07143999001 18696290611
Websitehttp://www.yongstandards.com/
Beijing Pubiao Technology Co., Ltd.
Telephone18618179058
Websitehttp://www.pubiaotech.cn/