1. achieve for better heat exchanger and reducing its cost by pursuing higher collar height
2.special fin surface for heating
1.We can process a great variety of finished fins (such as Oval Fin) for clients, 2.the fin surface pattern such as louver, surface slit, sewing machine cut, notching, corner cut, angled cut and zigzag cut with special-holes (oblate, oval and others); 3.collar height range: fin collar height from 1.5mm to 12.0mm according to the aluminum's thickness, 4.and from1.5mm to 4.0mm for copper's thickness in order to meet different demands.
air-conditioner heat exchanger coils oval fin