... Style: coil 4.HRC:46-52DEGREE automobile parts of suspension spring Product Detail 1.wire diameter5-50mm2.Material60si2MnA3 ... each item4.ExecuteISO9001-20005.Delivery timein 30 days6.Supply ability17000pcs/month7.PackingNeutral packing8.Stylecoil9.InspectionFatigue test10.UsageAutomotive/ ... shipment. Welcome to our factory! We're manufacture of Coil Springs for TOYOTA,NISSAN,MAZDA,BENZ,VOLKSWAGEN, ...