J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Santa Cruz Biotechnology Inc
Telephone 60936350
Websitehttp://www.scbt.com