J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
HangZhou YuHao Chemical Technology Co., Ltd.
Telephone0571-82693216
Websitehttps://www.yuhaochemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shanghai Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttps://www.chemexpress.com.cn
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Hubei wei shi reagent group ltd., company
Telephone027-59102966 18717199209
Websitehttps://www.4008081911.com
ShangHai ZskBio CO., LTD
Telephone021-58056897 15399714481
Websitehttps://www.zsklab.cn
Henan Rane Chemical Co., Ltd.
Telephone+86-18738066252; +86-18738066252
Websitehttps://www.ranechem.com/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/