1.0.9mm wire extension spring 2.Wire dia: 0.08-14mm 3.Material:many choices as ... demands 4.Certificate:ISO9001 5.OEM Manufacturer supplied 0.9mm wire extension spring 1Place of Origin:Xiamen, P.R China2Brand Name: ... .15-8mm12Material:carbon steel,stainless steel, manganese steel wire, nickel wire, galvanized wire,alloys,etc13Casting experience:More than 20 years14Strong technology and ...