Tongling HengYou Biotechnology Co., Ltd.
Telephone021-50426030 13856289449;13124863828
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16800/0_EN.htm
Shanghai Changyan Chem & Tech Co., Ltd.
Telephone021-20242659 18930833303
Websitehttp://www.changyanchem.cn
Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
CASNO Chem Ltd.
Telephone86-13710190520
Websitehttp://www.casnochem.com
Aikon International Limited
Telephone025-58859352 13913916777
Websitehttp://www.aikonchem.com
