... spraying or plating on surface . Parameters of Quality : 1,Plate: imported SPCC cold rolled sheet, thickness of plate1.8 ... 4,Beam: the high quality triangle Q195 steel pipe, thickness 1.8 mm, and electrostatic powder spraying surface 5,Connection ... welding without dislocation, no scar, stamping pieces without separation. Bend pipe fittings in tact. 10, The installation between accessories is firm ...