J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://www.standardpharm.cn/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Xi'an Meike Biotechnology Co., Ltd
Telephone029-18710438009 18710438009
Website
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone18915873328 18915873328
Websitehttps://www.xianglongpharm.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone07143299675 13092790750
Websitehttps://www.yongstandards.com/
Shanghai meikai technology co., ltd
Telephone021-68689288 15300790979
Websitehttps://www.mkbio.com.cn/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
Shaanxi Didu Pharmaceutical Co., Ltd.
Telephone029-81124775 17791530730
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/