Product Description
2.SGS Certificate
3.Lower price
4.Short delivery time
5.Many types to choose
6.Package:carton box or wooden or iron case
7.Material: spring steel 28MnSiB or 60Si2Mn
8.Thickness:3-8mm
9.Hardness: HRC44-48
10.Hole size:Full size
11.Coating:stoving varnish
Packaging & Shipping
Company Information