J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai Sealing Biotechnology Co. Ltd..
Telephone 15721176654;15710104046
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30844/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shanghai Amico Chemicals Co. LTD
Telephone微信 18019252918 18019252918
Websitehttp://www.amkchem.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/