Materials :Stainless steel,carbonsteel or according to you All the production are strictly made according to ISO9001-2000 system We produce all kinds of springs,such as compression spring ,extension spring, torsion spring, valve spring, battery spring, spiral spring, flat spring, pocket spring, coil spring, zig-zag spring, rear spring, clutch spring, die spring, disc spring, wire forms, gas spring , metal stamping,etc. Our spring are widely provided for computer, electron, home appliances, camera, automobile, motorcycle and other industrial products. Our springs are made to order to our clients specific requirements from a wide range of materials . We can work from your drawings or a sample of the product or our experts can design your spring based on the information provided.