air cooled condenser certificate: ISO, ROHS, warranty: one year did 3.0MPA air pressure test leakless Air Cooled Condenser1.material :copper, aluminum, galvanized plate 2.aluminum foil: hydrophilic or bare 3.fin type: louver fin or corrugated fin or flat fin 4.copper pipe: diameter 7mm,7.94mm,9mm,9.52mm,10mm, Smooth or grooved pipe 5.pitch of fins can be adjusted between 1.8-5.8mm 6.voltage : ...