-
2,4-diaminobenzenesulfonic acid (6)CAS RN:88-63-1
-
Levachem Co. Ltd.Telephone:+86-25-83247442/443/445/446/447
-
Shanghai World-Prospect Industrial Co., Ltd.Telephone:0086-21-54277770
-
Shanghai Amino-Chem Co., Ltd.Telephone:0086-21-50306558
-
Hangzhou Dingsheng Chemical Co ., Ltd.Telephone:+86-571-85284775 85284792
-
Buipo InternationalTelephone:021-68765461
-
ALEX CHEMICAL INDUSTRIAL CO., LTD.Telephone:886-2-2331 1425