J & K SCIENTIFIC LTD.
Telephone18210857532; 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai CR Corporation Limited
Telephone13062833949; 4006653949 4006653949
Websitehttp://www.crcorporation.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +86-13670046396
Websitehttps://www.qcsrm.com
JiNan QiYuan Biotechnology Co., Ltd
Telephone18766124282; 18766124282
Websitehttp://www.qychemical.com/
Changsha Fuzhen Biotechnology Co.,LTD
Telephone0731-13823398 15111215862
Websitehttps://www.chemicalbook.com/supplier/25777903/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Santa Cruz Biotechnology Inc
Telephone021-60936350
Websitehttp://www.scbt.com