J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0_EN.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Henan Alpha Chemical Co., Ltd.
Telephone0371-55055611 18137792234
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31206/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone18363811467; 13356901049
Websitehttps://www.sklnchem.cn
Aikon International Limited
Telephone025-58851090 19370895928
Websitehttps://www.aikonchem.com/
Anyang Hongmeng New Materials Co., Ltd.
Telephone 19588588067
Websitehttp://www.fundingchem.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
