J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Foshan Treasure Biotechnology Co., Ltd
Telephone0757-85921206 18520245316
Websitehttp://www.fsbn-bio.com/
Shanghai YuZn Pharm. Technology Co.,Ltd.
Telephone15921286451; 15921286451
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList642122/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com
Changzhou Qianai Biotechnology Co., Ltd
Telephone0519-15240519135 13961152745
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