air conditioner evaporator 1.copper tube:grooved or smooth tube 2.fin:hydrophilic or bare fin 3.certificate:ROHS,ISO ... products as per customized samples or drawing.13.producing procedure: tube bending, punching fin, expanding, digressing, dryingWelding, leakage test, bending, ... inspection, packingNote: for further information please contact us. copper tube air conditioner evaporator