... with copper) 2) Painting: Cathode electrophoretic painting Freezer CondenserProduct Feature:1.freezer condenser material:bundy tube(steel tube coated with ... *500mm, 4.76*600mm, 6.35*600mm;2.freezer condenser structure:bundy tubes welded with steel wires;3 ... .freezer condenser painting treatment:cathode electrophoretic painting(black);4.freezer condenser:ROHS certificate;ISO9001. ...