Features: 1) Material: spcc quality cold-rolled plate 2) Thickness: a) Square hole strip 2.0mm b) Goes against the bottom: 1.5mm c) Side door: 1.0mm d) Front and rear door: 1.2mm 3) Craft situation: goes against the bottom for the welding type, the column and goes against the bottom is assembling 4) Surface finish: all components surface galvanization, goes against the bottom, column, side gate, the front and rear port outside surface spurts models. The molding powder is the black loose skinned orange grain