J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Newcore Chemical Technology Co., Ltd.
Telephone 13612807752
Websitehttp://www.newcorechem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-61109150
Websitehttps://www.tcisct.com
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 19171453112
Websitehttp://www.yongstandards.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/