... /inner grooved pipe or bare/smooth pipe. Heat Exchanger:1.Finned Tube Heat Exchanger 2.Follow custom's design 3.Tube diameter ... processTube bending, Punching the fins, Tube expanding, Degreasing, Welding and assembling, Leakage test, Drying, (Bending), Inspection, PackingTechnical standardsSpecificationHoles ... .init( { 'aImgSrc': aBigImageSrc } ); } )(); Copper Tube Aliminium Fin Type Heat Exchanger