1. Wire diameter(thickness): 10mm to 50mm.
2. Material: Carbon steel(SWC),music wire or piano wire(SWP), 60Si2Mn, 55CrSi etc.
3. Surface Treatment: blacking.
4.Customizable:Can made by your drawings, sample and dimension.
5.Package:cartons or wooden case, Or as per customers' requirements.
Please check our web site: www.xzq-spring.com, to know more about our factory.My company email is: David@xzq-spring.com