Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Beijing FYF Chemicals Co., Ltd
Telephone010-57903446 15869909019
Websitehttp://www.fyfchem.com/
Changzhou Qianai Biotechnology Co., Ltd
Telephone0519-15240519135 13961152745
Website
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Shandong Libixi Biopharmaceutical Technology Co., Ltd.
Telephone 15318973357
Website
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com