J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Xi'an Confluore Biological Technology Co., Ltd.
Telephone+86-156-80926068 +86-15680926068
Websitehttp://www.confluore.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-80514535 19917294565
Websitehttp://www.chemextension.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shanghai?Medlife?Pharm-Tech?Co.,?Ltd
Telephone021-59167510 18117107507
Websitehttps://www.med-life.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
Shaanxi Xingbei Aike Biotechnology Co., Ltd
Telephone029-13572876172 13572876172
Websitehttp://www.xbakbio.com/
Shanghai Yanfen Biochemical Technology Co.,LTD
Telephone 17721070236
Websitehttp://www.yanfenbio.com/
Xian confluore Biological Technology Co., Ltd.
Telephone+86-15680926068
Websitehttp://www.confluore.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/
