J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Atop-Pharma (Shanghai) Technology Co., Ltd.
Telephone+86 (21) 5196-9732
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15355/0.htm
ShangHai AmK Pharmaceutical Technology Co., Ltd.
Telephone 18019252918
Websitehttp://www.amkchem.com微信:17321281695
Aikon International Limited
Telephone025-66113011 18112977050
Websitehttp://www.aikonchem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com