big truck extension spring

Products 1. Wire diameter(thickness): 0.1mm to 80mm 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. Finish: blacking, zinc/nickel/chrome/silver/gold plating, powder coated etc, 4. Application: Electronic products, Children toys, Locks, Watches, Glasses, Baby carriage, Bicycle, Kitchen appliances, cameras, printers, office equipment, precision equipment and