J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
DebyeTec.com Inc.
Telephone18086626237 18086626237
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16955/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684;
Websitehttps://www.rrkchem.com
Shanghai Youji Materials Co., Ltd
Telephone13052376889 13681663468
Websitehttps://www.shyjcl.com
Shanghai Shiyi Reagent Co., Ltd
Telephone02118516225986 18516225986
Websitehttp://www.shiyireagent.com
Shaanxi Gulliver Biotechnology Research Co., Ltd
Telephone18409274651; 13892423764
Website
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
