Steel Wire, Brush Wire, Hard Drawn Steel Wire manufacturer / supplier in China, offering Excellent Mechanical Properties 0.1-1.8mm Guitar String Piano Steelwire Instrument Wires Oil Quenching Tempering Spring Steelwire, Swpa/Swpb/SWC 0.35-8.0mm Wholesale Custom Specifications JIS G 3522 Piano Steelwire/ Music Wire, Wholesale Spring Steel Wire/Piano Steelwire Small Size /Big Size 0.1-7.5mm with Corrosion Resistance, Wear Resistance and so on.