Extension spring:
1. Widely used in automobiles, motorcycles, amusement park
2. Materials are high carbon steel, stainless steel.
3. This Extension Springs are produced by CNC spring's machines, and according to customer's specifications.
4. Treatment: Powder coating, nickel plating, chrome plating, zinc plating(yellow, blue, white ect), etc;
A wide variety of designs and finishes are available to meet your requirements.