J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai CR Corporation Limited
Telephone021-80270511; 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
CR Corporation Limited
Telephone +8613062833949
Websitehttp://www.crcorporation.cn/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.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.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.htm
Hubei DAHAO Chemical Co., Ltd.
Telephone027-59106191 13986034860
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList329222/0.htm
Hubei Tuobang Chemical Co., Ltd.
Telephone027-59106185 13986192185
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList451023/0.htm
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttp://www.tlcstandards.com
Hubei Danding Pharmaceutical Technology Co., Ltd
Telephone18917019315 18917019315
Websitehttp://www.hbdandingyy.com
