... springs 2.Different shapes of hooks available 3.wire diameter: 0.09mm-6.00mm 4.high ... -plated, copper-plated, tin-plated and nickel-plated, painted, spraying powder, coloring3) the quality management system of our ... aluminum, copper, alloy, etcSurface treatmentpolishing, anodizing, zinc plating, nickel plating, etcTypeCompression springApplicationauto, toy, electronics, medical device, motorcycles, ...