They ate both hot dip galvanized. The difference is whether the material was galvanized before or after fabrication. Most boxes are made from sheet that has been "mill galvanized", which means the coil manufacturer galvanized the sheet on a continuous line. This coating is generally very thin (.5 - 1.5 mils) and during the fabrication by the box manufacturer, any cut edges will be left exposed. A...

Width: 800mm to 1500mm Thickness: 0.18mm to 0.8mmZinc coating: 30 to 60 g/㎡Film thickness: Top surface: 15 to 60 µm , Back surface : 10 to 35 µm. Color : The color on RAL list or customized as requirement.