Copper strip has four main types: pure copper strip, brass strip, bronze strip and nickel silver strip. Pure copper strip is used in manufacture of automobile water tank tubes, heat sinks, electronic parts, semiconductor, automotive and electrical fields, etc.; Roll of Brass strip is widely used in electronic components, switch sockets, building etchings, windshileds, fasteners, nameplates, lables, condenser and heat exchanger, hardware products and clothing, dials, lipstick cases, etc.; Tin phosphor bronze strip is widely used in high-tech electronic field such as computer CPU sockets, car terminals, mobile phone buttons, electronic connectors, etc.; Nickel silver strip is widely used in manufacture of structural parts, elastic components, precision instruments, communication industry, liquid crystal oscillator component shells, etc.