J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Sinch Parmaceuticals Tech. Co. Ltd.
Telephone+86-21-54098501
Websitehttp://www.sinch.com.cn/
Nanjing Chalf-Pharm Technology Co., Ltd.
Telephone025-57018978 18251899859
Websitehttp://www.chalf-pharm.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
Shaanxi Dideu Medichem Co. Ltd
Telephone029-029-81124267 15229202216
Websitehttps://www.dideu.com/
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn
Mainchem Co., Ltd.
Telephone+86-0592-6210733
Websitehttps://www.mainchem.com