Spring is an elastic mechanical parts to work. Parts made of elastic material deforms under external force, and then remove the external restitution. Also known as "spring." Yu Yang precision springs enterprise dedicated to the design and manufacture of precision springs and wire forming part of the introduction of international advanced level of automation spring CNC processing machinery and testing equipment, production process, from simple to complex processes can process at one time, and is equipped with line testing equipment to ensure that the products of high precision and stability. Processing diameter range Φ0.05-Φ5.00mm, product minimum diameter of up Φ0.35mm. Generally made of spring steel. Complex and diverse types of springs, according to the shape of the main coil spring, spiral spring, plate spring, shaped spring.