J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
HangZhou YuHao Chemical Technology Co., Ltd.
Telephone0571-82693216
Websitehttp://www.yuhaochemical.com
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
Bide Pharmatech Ltd.
Telephone400-1647117 15221909166
Websitehttps://www.bidepharm.com/
Wuhan Yuxiang Medical Technology Co., Ltd.
Telephone 13971275651
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1155268/0.htm