... Finned Heat Exchanger Tubes: copper, copper-nickel, steel, and stainless steel Casing: aluminum, steel, galvanized steel, etc. Finned Heat ExchangerGeneral Description: • Finned ... nickel, steel, and stainless steel Fins aluminum, copper, stainless steel, and steel Casing aluminum, steel, galvanized steel, and stainless We have accumulated abundant experience and established stable and credible ...