J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Beijing FYF Chemicals Co., Ltd
Telephone010-57903446 15869909019
Websitehttp://www.fyfchem.com
Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Guangdong wengjiang Chemical Reagent Co., Ltd.
Telephone0751-2815688 13927872512
Websitehttp://www.wj-chem.com