... Surface treatment: hot dip Galvanized, powder coated, baking varnish, Zinc primer, Red primer5.Workshop pre-install for Check the productHot dip ... → Finished product inspection. Paint1, Primer paint one coat 20-40 um2, middle paint two coat 40-60 um3, finish paint one coat 60-80 ... umPaint Type: 1, red primer 2, zinc primer 3, Alkyd primerSpec model ...