J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Sphchem Co., Ltd.
Telephone021-56491756 13512199871
Websitehttp://www.panhongchem.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai T&W Pharmaceutical Co., Ltd.
Telephone+86 21 61551611
Websitehttp://www.trustwe.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Suzhou Rovathin Foreign Trade Co.,Ltd
Telephone0512-65816829 18662214788
Websitehttp://www.rovathin.com/
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/