J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Tianjin Kailiqi Biotechnology Co., Ltd.
Telephone 15076683720
Websitehttp://www.cw-bio.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840 15801484223;
Websitehttp://www.jm-bio.com/