... channel steel bar(high quality and low price) Steel Grade:Q235,ASTMA53, ect. Dimension:50*37-400*104 channel steel bar(high quality and low price)The products ... channel steel bar, deformed steel bar, cold/hot rolled steel in coils, etc. The application of our products covers oil, ... d like to express our desire to establish business relations with you on the basis of equality, mutual benefit and ...