J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006356688 18621169109
Websitehttp://www.x-labseek.com/
Shandong Xiya Chemical Co., Ltd
Telephone13355009207 13355009207
Websitehttp://www.xiyashiji.com
Beijing Yisiyan Technology Research Center
Telephone010-56645598 13366904824;
Websitehttp://www.bjkaida.cn
Thermo Fisher Scientific
Telephone800-810-5118
Websitehttp://www.thermo.com.cn
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20)
Websitehttp://www.onochem.com
Hubei Xinkang Pharmaceutical Chemical Co., Ltd
Telephone027-027-59308705 18871579363
Websitehttp://www.xin-api.com/
Tianmen Hengchang Chemical Co., Ltd
Telephone027-59322316 15172518801
Websitehttp://www.tianmenchem.com/
Hubei Qifei Pharmaceutical Chemical Co., Ltd
Telephone027-59322506 18071128681
Websitehttps://www.qifeiapi.com/
Yantai Shengkailun Chemical Technology Co., Ltd.
Telephone 13356901049
Websitehttps://www.sklnchem.cn