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
Henan's chemical products co., LTD
Telephone0371-60919097 15378766539;
Websitehttp://www.psaichem.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Zhengzhou convergence chemical co., LTD
Telephone037155153829 18003835034
Websitehttps://www.chemicalbook.com/supplier/24021783/
Beijing InnoChem Science & Technology Co., Ltd.
Telephone15652467323
Websitehttps://www.inno-chem.com.cn
Zhengzhou Haochuang New Material Co., Ltd.
Telephone19139721821; 19139721821
Websitehttps://www.chemicalbook.com/supplier/148360348/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
