Shanghai Youd Chemical Technology Co., Ltd.
Telephone021-37910092 15821801668
Websitehttp://www.udchem.com
Shenzhen Regent Biochemical Technology Co., Ltd.
Telephone0755-85201366 18938635012
Websitehttp://www.regentsciences.com/
Hubei Keyijia Chemical Co., Ltd.
Telephone 15629167229
Websitehttp://www.hbkyjchem.com/
Changzhou Extraordinary Pharmatech co., LTD.
Telephone0519-82111935 15195055733
Websitehttp://www.feifanchem.com
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
Telephone +8618950047208
Websitehttp://www.amitychem.com