2205 roestvrijstalen naadloze buis airconditioning/boiler/warmtewisselaarbuis62205 roestvrijstalen naadloze buis airconditioning/boiler/warmtewisselaarbuis
Produced With Excellent Workmanship Copper tube radiators Tubes And Aluminum Foils High Efficiency Heat Exchanger Mechanically
A106 Sch40 Rectangular Round Square Hot Dipped/DIP Galvanized Ms Iron Gi Mild Carbon Steel Seamless Pipe LSAW ERW Black Welded for Construction