Changzhou Wujin Hengtong Metal Steel Wires Co., Ltd was established in 1982 with Icertificate of quality assurance system ISO9001 and ISO14001: 2004 Certificate. We specialize in kinds of wire such as High Carbon Spring Steel Wire, Oil Tempted Spring Steel Wire, Stainless Spring Steel Wire; Alloy Spring SteelWire; Prestressed Contrete Wire /Strand Wire and Bar(PC wire/bar); Defoemed Steel Bar; Copper-Clad Steel Wire, Copper Clad Strand Wire; Copper Clad Aluminum Wire; Tin Plated Wire.; Galvanised Steel Wire and Galvanised Iron Wire. Galvanised Spring Wire