... copper, aluminium, galvanized plate.2. Copper pipe: diameterΦ7, Φ7.94, Φ9.52, Φ12.7mm, etc. inner grooved ... Copper, Aluminium Copper, Aluminium CopperCopperType of Tube Smooth Tube, Inner Grooved Tube Smooth Tube, Inner Grooved Tube Smooth Tube, Inner Grooved Tube Smooth Tube, Inner Grooved Tube Smooth Tube, Inner Grooved ... Foil,Bare Foil,Golden Foil,Copper FoilHydrophilic Foil,Bare Foil,Golden ...