Oil Tempered Spring Steel Wire, Galvanized Steel Wire, Galvanized Steel Strand manufacturer / supplier in China, offering ASTM A227 / A228 Precision Cold-Drawn High Carbon Spring Wire Diameters 0.2-6mm, Patented & Cold Drawn Steel Wire High Carbon Spring Steel Wire with Excellent Fatigue Resistance, Hard-Drawn En 10270-1 Swp Music Wire Spring Steel Wire and so on.