J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 13167063860
Websitehttp://www.aladdin-e.com/
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone 15026964105
Websitehttps://www.shyuanye.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttps://www.standardpharm.org.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Hefei Molake Biotechnology Co., Ltd.
Telephone0551-66336380 18956014586
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31079/0_EN.htm
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
ShangHai ZskBio CO., LTD
Telephone021-58056897 15399714481
Websitehttps://www.zsklab.cn
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
