Dongfa Group | Address: 609 Dong 2 Huan RD, BaoDing, Hebei 071000, China 
www.dongfagroup.com | Send Inquiry | Phone: +86-(312)-2193879, 2193878
Dongfa Group produces chemical intermediates. Our product line includes sulfanilic acid, sulfanilic acid, sodium salt, dyestuff and dyeing auxiliaries. more...