We custom manufacturer all kinds of wire diameter spring. 
1)Wire Dia.:0.01mm-40mm. 
2)Material:carbon steel;spring steel;stainless steel,alloy steel.
3)We can do OEM.
4)load type of precise spring:compression spring,extension spring,torsion spring,wire spring ,spring clip,die spring,hot coil(hot wound)spring. 
5)Surface treatment: Zinc, Nickel, silver, golden, tin, powder coating.
6)Usage: industry motorcycle  furniture  Automotive, medical device, electronics, toy, etc
7)Packaging Detail: Inner Packaging: Smaller Plastic Bags; Outer Packaging: Cartons or Pallet .we can also package products according to your requirements.

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.lianhu-spring.com, to know more about our factory.My company email is: David@lianhu-spring.com, if there have anything interesting,please feel free to contact us.