Specification

wire diameter: mm

outside diameter: mm

Free length: mm

Total coils: (Number)

Material: (such as :55CrSi,60Si2Mn,stainless steel,65Mn and so on)

Surface treatment: (such as :powder coating,zinc plated,oil and so on)

QTY: Pcs (the best price based on the more qty)

Our service:

a.Customized design is available,

b.OEM are also welcome.

c.Special discount can be offered with large quantity.

d.We will try our best to meet your requirements and supply you best quality auto coil springs for car spring.