J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
Shanghai Chino Pharmaceutical Technology Co., Ltd
Telephone021-021-51557188 15901710861
Websitehttp://www.channelpharm.com
Nantong Hi-Future Biotechnology Co., Ltd
Telephone 18051384581
Websitehttps://www.chemhifuture.com/