... performance 2.super-strong anti-corrosion Raw materialCopper or Al tube: O.D6 -- O.D10, with wall thickness ... ways temperature control (three capillary evaporator)Key processTube bending, Al plate punching, Surface cleaning, Bounding, Weld the suction, ... Leakage test, Drying, Surface cleaning, Coating, Inspection, PackagePerformance1) Al plate or (and) pipe with powder painting, or with lacquer ...