J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai CR Corporation Limited
Telephone13917420128 13062833949
Websitehttp://www.crcorporation.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
CR Corporation Limited
Telephone
Websitehttp://www.crcorporation.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shenzhen Roark Pharma-Tec Co., Ltd.
Telephone 13128912434
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1522230/0_EN.htm
Beijing Qinling Pharmaceutical Co., Ltd.
Telephone010-61241352 18901327973
Websitehttp://www.qlmed.com/
Suzhou Meishi Biotechnology Co., Ltd.
Telephone 1173954148q
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1822805/0_EN.htm
Hubei DAHAO Chemical Co., Ltd.
Telephone027-027-59106191 13986034860
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList329222/0_EN.htm
Hubei Tuobang Chemical Co., Ltd.
Telephone027-59106185 13986192185
Websitehttps://www.hubeituobang.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235 18012923235
Websitehttp://www.tlcstandards.com
Shaanxi Dideu Medichem Co. Ltd
Telephone81148925 17391631969
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
