we are the manufacturer of spring from china,our products including:compression spring,extension spring,torsion spring,wire spring,Disc Springs and etc. May i ask do you have drawing of the Springs which you required ? So we can quote you the accurate pricing.
Please check our web site: www.xzq-spring.com, to know more about our factory.My company email is: David@xzq-spring.com, if there have anything interesting,please feel free to contact us.

1. Wire diameter(thickness): 0.15mm to 50mm.

2. Material: Carbon steel(SWC), cold roller steel, stainless steel(SUS), beryllium copper, phosphor copper, brass, music wire or piano wire(SWP), 60Si2Mn, 55CrSi etc.

3. Surface Treatment: blacking, zinc/nickel/chrome/silver/gold plating, powder coated etc.

4.Customizable:Can made by your drawings, sample and dimension.

5.Package:Inner plastic bags and outer cartons or wooden case,  Or as per customers' requirements.