J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
T&W GROUP
Telephone021-61551611 13296011611
Websitehttp://www.trustwe.com/
Nanjing Norris-Pharm Technology Co., Ltd
Telephone 13901585132
Website
Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
Ketenechem (Shanghai) Co,. Ltd.
Telephone021-61315236
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16047/0_EN.htm
DKMbiochem.Co. Ltd
Telephone 15901859516
Websitehttp://www.dkmbiochem.com/
Shanghai EFE Biological Technology Co., Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Shanghai silk sail pharmaceutical technology co., LTD
Telephone18916696128
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30835/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Henan Alpha Chemical Co., Ltd.
Telephone0371-55055611 18137792234
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31206/0.htm
CONIER CHEM AND PHARMA LIMITED
Telephone
Websitehttp://www.conier.com/
Shanghai Forever Synthesis Co.,Ltd
Telephone18096642264 18096642264
Websitehttp://www.purerechem.com
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
