J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hong Kong Tiansheng New Material Trading Co., Ltd
Telephone +8617320695765
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList114554/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
TCI (Shanghai) Chemical Trading Co., Ltd.
Telephone021-021-61109150
Websitehttps://www.tcisct.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Telephone 4008-099-669
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList112975/0.htm
Telephone 18153089275
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1041099/0.htm
Shanghai Daken Advanced Materials Co.,Ltd
Telephone+86-371-66670886
Websitehttps://www.dakenchem.com/
