Copper foil strip 1) High efficiency, energy saving healthy 2) the inside surface area incre Copper foil strip Specifications1) High efficiency, energy saving healthy 2) the inside surface area increases 70~100% than plain copper tubeThe main products are: LWC, Pancake Coils, ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plastic-coated Copper ...