J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone4006608290; 18621169109
Websitehttps://www.meryer.com/cn/index/
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Feiyang Biotechnology Co., Ltd
Telephone0533-7866336 13573361699
Websitehttp://www.chemfy.com/
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
China DongFan Chemical Co.,LTD
Telephone86-0571-85151182
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList14819/0.htm
T&W GROUP
Telephone021-61551611 13296011611
Websitehttp://www.trustwe.com/
Shanghai Huikai Chemical Technology Co., Ltd.
Telephone021-61995394 18916691159
Websitehttp://www.chemicalsea.com
BeiJing TOP Science Bio-Technology Co., Ltd.
Telephone+86-13439059536 +86-15201677815
Websitehttp://www.itopsci.com/
Wuhan Chemduro Pharm Tech Co. Ltd.
Telephone18040571231/1402788087
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16292/0.htm
Beijing Qinling Mountains Pharmaceutical Co., Ltd.
Telephone010-61241352 18901327973
Websitehttp://www.qlmed.com/
Shanghai Synchem Pharma Co., ltd
Telephone021-61984905-1 18016477331
Websitehttp://www.synchem-pharma.com
Beijing Jin Ming Biotechnology Co., Ltd.
Telephone010-60605840 18892239720
Websitehttp://www.jm-bio.com/
Jinan Samuel Pharmaceutical Co., Ltd.
Telephone0531-88821801 15192360884
Websitehttp://www.samuelpharma.com
Aikon International Limited
Telephone025-58851090 13611564524
Websitehttp://www.aikonchem.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/
