Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Yantai Boyun Biological Technology Co. Ltd
Telephone13793517650 13793517650
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList248599/0_EN.htm
TLC Pharmaceutical Standards Ltd.
Telephone18012923235 18012923235
Websitehttp://www.tlcstandards.com
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/