Spring pin 1.Metal stamp fastener 2.Material: Spring steel 3.Size: All size 4.Surface processing: Black ,Zinc,Nickel plating Spring pin1.Metal stamp fastener2.Material: Spring steel3.Size: All size4.Surface processing: Black, Zinc plating, Nickel plating5.Package: Carton packing or wooden packing6.History: Founded in 19837.Main products : Kinds of washers , spring pins ,bearing clamp and so onOur ...