... Good quality Finned Tube1.G fin, L fin, LL fin, I fin, E fin, KL fin2.Available Processing Technic: High-frequency ... -Fin Tube (Imbeded Type)Aluminum A1100, A1050, A1060High Frequency Welded Finned TubeCarbon Steel TubeCarbon Steel Tube12.70~1601.5 ... Steel TubeAlloy Steel MaterialAlloy Steel MaterialIntegral Copper & Copper Alloy High Finned TubeC12200, C11000, C70600C12200, C11000, C7060015.88~22. ...