J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
Beijing Ouhe Technology Co., Ltd
Telephone010-010-82967028 13522913783
Websitehttp://www.ouhechem.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Macklin Biochemical Co.,Ltd.
Telephone 15221275939
Websitehttp://www.macklin.cn
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://yongstandards.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Hubei Xinkang Pharmaceutical Chemical Co., Ltd
Telephone027-027-59308705 18871579363
Websitehttp://www.xin-api.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
