Material:1000series 3000sreies Application:Heater Parts Heat Exchanger Tube Aluminum Coil Tube1)Alloy: 1000,3000,series,and we can provide other ... /coil5) Equipment :From Germany:6) Types: Square tube, round tube, special pipe, straight tube, capillary tube and so on7) Different sizes available8) Can produce ... used in fridge,freezeing and exchanger etc. round extroud aluminum coil tube