Beijing Yisiyan Technology Research Center
Telephone010-56645598 13366904824
Websitehttp://www.bjkaida.cn
Shanghai SuperLan Chemcial Technique Centre
Telephone021-2022843681 15618226720
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList19886/0.htm
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone4008210725 4008210725
Websitehttps://www.leyan.com/
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd
Telephone029-029-81148696 18161915376
Websitehttp://www.dideu.cn
Shanghai Yanbang Pharmaceutical Technology Co., Ltd
Telephone 15618536883
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList614748/0.htm
ATK CHEMICAL COMPANY LIMITED
Telephone+undefined-21-51877795
Websitehttp://www.atkchemical.com