J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-4000505016 13380397412
Websitehttps://www.sincopharmachem.net
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttps://sungenmed.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Guangzhou Jiuzhi Pharmaceutical Technology Co., Ltd.
Telephone020-89854820
Websitehttp://www.jzpharma.cn
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://yongstandards.com/
Shenzhen Roark Pharma-Tec Co., Ltd.
Telephone 13128912434
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1522230/0_EN.htm
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0_EN.htm
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone07143299675 13092790750
Websitehttps://www.yongstandards.com/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
Telephone +undefined18603013401
Websitehttps://en.sincopharmachem.net
Hangzhou MolCore BioPharmatech Co.,Ltd.
Telephone+86-057181025280; +8617767106207
Websitehttps://www.molcore.com/