... , Al plate punching, Surface cleaning, Bounding, Weld the suction, Tube assembly, Leakage test, Drying, Surface cleaning, Coating, Inspection, PackagePerformance1 ... m2 Specification of coatingCoating thicknessThickness of flat plate or tube powder painting: 30 100umHardness of coating≥2HImpact of coating50cmkg ... offColor tolerance of powderpaintingE≤1.5 bounding evaporator for refrigerator and ice box