1 Copper composition 99.9% pure Cu 2 Used in tower grounding system 3 Should complied BS 1432 4 Short delivery time roil copper 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 ...