... Co., Ltd. Designs and manufactures all kinds of finned tubes. 1, finned tube function: heat transfer;2, the fin-tube ... fin tube materials: 1, base tube: carbon steel, stainless steel, copper, copper alloy, titanium and so on. 2, Fin: aluminum (extruded type ... wound type), steel (wound type, high frequency welding), copper (winding type).4, finned tube specifications: 1, base tube: OD16, OD19, OD1 ...