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/
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
GIHI CHEMICALS CO.,LIMITED
Telephone +8618058761490
Websitehttps://www.gihichemicals.com/
