Magnetic Green Board Kid Chalk Board 2mm 

The types of color-coated steel plates classified by substrate are as follows: Cold rolled substrate color coated steel plate Hot-dip galvanized color-coated steel plate Hot-dip aluminum-zinc color-coated steel plate 5% aluminum-zinc color-coated steel plate 55% aluminum zinc color coated steel plate Electro-galvanized color-coated steel plate Other printed color plates Metal embossed color plate