J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
HangZhou YuHao Chemical Technology Co., Ltd.
Telephone0571-82693216
Websitehttp://www.yuhaochemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Hangzhou Molot Chemical Technology Co., Ltd.
Telephone+86-（0571）5690 6266 +86-17706505167
Websitehttp://www.morotchem.com/
Shanghai Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttps://www.chemexpress.com.cn
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
ChengDu SinoStandards Bio-Tech Co.,Ltd. ，
Telephone028-83243028 19136088901
Websitehttp://www.ebuylabs.com/
ChemExpress
Telephone+86-021-58950125 +86-021-58950125;
Websitehttps://www.chemexpress.com
