... Aluminum foil 0.1-0.11mmFin type louver fin or flat fin or corrugated fin Fins pitch 1.3-2.2mm End plates ... tube 0.3-0.4mm Producing procedure tube bending, punching fin, expanding, digressing, drying, welding, leakagetest,bending, inspection, packing Note Can ... sample supplied by clients, also can help the clients design and produce different models of fin evaporator . Aluminum fin type condenser