... 3.Finish: galvanized/powder coated steel frame,channel post steel track Commoditysteel channel 41mmx21mmThickness1.5mm, 2mm, 3mmLengthThe length can be decided ... we will offer high quality but low price's productsOur goods could be bended, sprayed ,punching & welding. Honorific customers if you ... ,purlin,ceiling,keel,structural material hot dip galvanized c steel track,custom profile