J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
3B Pharmachem (Wuhan) International Co.,Ltd.
Telephone821-50328103-801 18930552037
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13285/0.htm
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Wuhan Kaymke Chemical Co., Ltd.,
Telephone027-87342388 18086026008
Websitehttps://www.kaymke.com
Shanghai Xingui Biotechnology Co., Ltd.
Telephone 17501653715
Websitehttp://www.ansitan.com
ShangHai Wisacheam Pharmaceutical Co., Ltd.
Telephone 13817485796
Websitehttp://www.wisacheampharm.com
JW & Y Pharmlab Co., Ltd.
Telephone021-64340559 13651849907;
Websitehttp://www.jwypharmlab.com.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
ROSEWA HOLDING GROUP CO.,LIMITED
Telephone+86-023-62871537
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31018/0.htm
Shanghai zhigan biotechnology co., LTD
Telephone
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31144/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Shaoyuan Technology (Shanghai) Co., Ltd.
Telephone021-50795510 4000665055
Websitehttp://www.shao-yuan.com
