... :copper,aluminumwidely used in refrigeration industryHigh quality,Reasonable price.auto evaporator 1.material :copper , aluminum ,galvanized plate2.aluminum foil: hydrophilic ... .we can supply products as per customized samples or drawing.13.producing procedure: tube bending, punching fin, expanding, digressing, dryingWelding, ... and so onNote: for further information please contact us. auto evaporator