... 60Si2Mn wire diameter:22mm length:1380mm used in insdustry machine super huge compression springmaterial:60Si2Mnwire diameter:22mmlength:1380mmID: ... south China,can make all kinds of springs,including compression spring,torsion spring,tension spring,sprial spring,power spring ... appliance,energy sources and furnature.XULONG SPRING's mine machine springs are made with hot rolling method,and XULONG SPRING ...