Retractable coil spring
1. With the largest wire diameter is 15mm
2. All sorts of colours are all available
3. Can make by your drawings
4. Material: 65Mn
5. Usage: Auto, motorcycle, industry, ariculture, mine, furniture, elevator and so on

6. Wire diameter from0.5mm to 6mm
7. High quality and competitive pricing.
8. Surface treatment: Zinc, Nickel, silver, golden, tin, powder coating
Meet ISO 9001-2000 standard