Coil Spring

Product name:	Coil Spring
Material:	Steel
Type:	Suspension Spring
Position:	Front
Size:	5-25mm
HRC:	46-52 degree
Application:	shock absorber spring for cars
certification:	ISO9001:2008
inspection:	fatigue test
usage:	car/auto/automotive
package:	plastic/PE bags+corrugated cartons
supply ability:	5000pcs/day
MOQ:	100 Pieces
Delivery date:	45-60days
The forging auto parts's process as followed:	1.Raw material choosing 2.Heating special treated 3.Forging the blanks 4.Trimming to form 5.Q/T treatment 6.Detection