... the bracket, Weld the suction tube, Leakage Test, Coating,Folding or bending, Shaping, Inspection, Package Technical Ability1) ... or sample supplied by clients; Performance1)Surface with electrophoresis coating to prevent the corrosion 2)Inner cleanness can ... mg/m2 Specification of Coating Coating ThicknessThickness of cathodic electrophoresis coating ≥12 um Harness of Coating≥2H Impact of Coating50 ...