Product Name: Black Color Coiled Springs Black Oxide Finish Springs Compression Spring Model NO.: Black Color Coiled Springs Black Oxide Finish Spri Type: Suspension Spring OEM: Yes Position: Rear Car Make: Benz Certification: ISO9001 Material: Carbon Packing: Neutral Packing or Follow Customer's Requirements Delivery Time: Within 20-25days Warranty Period: 1 Year Wire Scope: 0.1-100mm Hardness: 42-50 HRC Color: Black/Red/Yellow/Green/Grey/ MOQ: 100PCS Transport Package: Neutral Packing Specification: 10.8mm Origin: Tangshan HS Code: 73202090 Product Description SUSPENSION SPRING1. DETAILA: Hot &Cold coiling technologyB: Manufactured to ISO 9001 standardsC: Shot-peening significantly increases the fatigue life of the springD: Surface preparation and coating ensures excellent corrosion resistanceE: Side load technology (banana springs) available1.wire diameter0.2-100mm2.Material60si2MnA3.MOQ100pcs each item4.ExecuteISO9001-20085.Delivery timein 30 days6.Supply ability250000PCS7.PackingNeutral packing8.Stylecoil9.InspectionFatigue test10.UsageAutomotive/Auto/Car11.Period validityone year12.HRC46-52DEGREE13.The material and specification could be chosen by customers14.Certain distount offered with large quantity.15.We provide the excellent quality and the low price,punctual shipment.2. FEATURES3. USAGE4. WORKSHOP5. PACKING6. DELIVERYJust wait your cooperation.Abby Yang