J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Zhengzhou Gecko Scientific Inc.
Telephone0371-63336364 17344886665
Websitehttp://www.zzgecko.cn
Shanghai Joiny Pharmaceutical Co.,Ltd.
Telephone 13681955282
Websitehttp://www.joiny-pharma.com/
Henan qinpeng technology co., ltd
Telephone微信:18839185240; 15737400781
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList611244/0_EN.htm
Hubei Xinyang Medical Technology Co., Ltd
Telephone 15347293736
Websitehttps://www.standardpharm.cn/
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
Z-trans Biochemistry Technology (Suzhou) Co.,Ltd
Telephone0512-66317708 13372112871
Websitehttp://zitrans.cn/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com