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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Chengdu Push Bio-Technology Co., Ltd.
Telephone 18080489829
Websitehttp://www.sinophytochem.com
ShenZhen Trendseen Biological Technology Co.,Ltd.
Telephone13417589054 13417589054
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList312717/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Shanghai Saikerui Biotechnology Co. , Ltd.
Telephone021-58000709 15900491054
Websitehttp://www.scrbio.com/
Shanghai Baosen Biotechnology Co., LTD
Telephone 13482051552
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1202127/0.htm
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
SHANGHAI ZZBIO CO., LTD.
Telephone15102117276 19921389125
Websitehttps://www.zzsrm.cn/
ShenZhen Trendseen Biological Technology Co.,Ltd.
Telephone 13417589054
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1962465/0.htm
