... Copper Finned Tube, features: 1.High-efficiency in heat exchanger 2. Extruded Technology 3.ISO9001:2000 certified Poduct Name: Seamless Copper ... 0.5 TONDelivery Lead Time: 30days.Features:1) Materials: Copper, Alloy copper, Aluminum etc.2) Performances: high-efficiency, energy-saving, ... for heat exchanger such as finned tube, finned coil tube, dual finned coil tube etc.7) Widely used in petroleum ...