... ,clean and dry high quality with reasonable price copper fin condenser with or without fan serial1. material :copper , ... galvanized plate2. copper foil fin3. fin type: louver fin or flat fin or corrugated fin4. copper pipe: diameter 7mm ... customized samples or drawing.14.producing procedure: tube bending, punching fin, expanding, digressing, dryingWelding, leakage test, bending, inspection, ...