Our radiator fins include household air-conditioner fins,industry air-conditioner fins,automobile air-conditioner fins,etc. We can process a great variety of radiator fins for clients,the fin surface pattern such as louver, surface slit, sewing machinecut,notching, corner cut, angled cut and zigzag cut with special-holes (oblate, oval and others); collar height range: fin collar height from 1.5mm ...