Oil Tempered Spring Steel Wire, Galvanized Steel Wire, Galvanized Steel Strand manufacturer / supplier in China, offering ASTM A229 0.2-15mm Spring Wire for Mechanical Springs, En 10270-1 0.2-20mm Spring Wire for Mechanical Springs, 1.8-8.0mm Fdsicr Tdsicr Vdsicr Oil Tempered Wire with IATF16949 and so on.