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
Chengdu Feibai Pharmaceutical Co., Ltd.
Telephone028-84641798 18782128315
Websitehttp://www.arkpharm.com
CONIER CHEM AND PHARMA LIMITED
Telephone +8618523575427
Websitehttp://www.conier.com/
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/