J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Feiyang Biotechnology Co., Ltd
Telephone0533-7866336 13573361699
Websitehttp://www.chemfy.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Daicel Chiral Technologies (China)CO.,LTD
Telephone021-50460086-9 15921403865
Websitehttp://www.daicelchiraltech.cn/reagents/Default.aspx
Wuhan Chemduro Pharm Tech Co. Ltd.
Telephone18040571231/1402788087
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16292/0.htm
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840 18892239720
Websitehttp://www.jm-bio.com/
Wuhan FengyaoTonghui Chemical Products Co., Ltd.
Telephone027-87466105 15377573527
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30440/0_EN.htm
Hubei Xinyuanshun Pharmaceutical Chemical Co., Ltd.
Telephone027-51831887 15337167856
Websitehttp://show.chemicalbook.com/hbxinyuanshun
Beijing Minruida Technology Co., Ltd.
Telephone010-82387566 18001021521;
Websitehttp://www.mreda.com.cn/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
ANHUI WITOP BIOTECH CO., LTD
Telephone +8615255079626
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Krain Pharmaceutical Technology CO.,Ltd
Telephone 18252089365
Websitehttp://www.kerunyiyao.com/
Beijing Qinling Pharmaceutical Co., Ltd.
Telephone010 61241352 18901327973
Websitehttp://www.qlmed.com/
Xi'an Kezhan Biotechnology Co., Ltd.
Telephone 18729005399
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList575909/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 3674309880
Websitehttps://hanfangpharma@126.com
