J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://yongstandards.com/
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Henan Vcommend Consultrading Co., Ltd.
Telephone 13393721940
Websitehttp://www.vcommend.com/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone020-18102736 18102736234
Website
Hubei Moco Chemical Co., Ltd.
Telephone18627753421; 18627756402
Websitehttp://www.molcoo.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone 18915873328
Websitehttps://www.xianglongpharm.com/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
