1. Aluminium rolled fin 2.Heat exchanger tube: Carbon steel, copper, titanium, stainless steel etc. 3. Good heat conduction. Basis tube material: Carbon steel, copper, titanium, stainless steel etc.Finned tube specification: 18 X 2.0-38, 21 X 2.0-45, 25 X 2.5-55 etc.Medium: Steam, oil.Working temperature: Below 300.Working pressure: 2.0MPa.Advantage: Good and stable heat conduction performance, ...