steel large coil springs Specification of steel large coil springs Material: Carbon steel, alloy steel, stainless steel, spring steel and bronze or as you request Surface treatment: Zinc Plating, Chrome Plating, Nickel plating, Powder Coating, Polishing, or Customized Size: All sizes are...
Size: All sizes are available depend on customers' request
Color: Black, Blue, Red, Yellow, etc.
Application: All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more.
1. Raw Material 2. Forming 3. Inspection 4. Grinding 5. Heat treatment 6. Surface Treatment