We are the first spring manufacturer in South China introducing CNC heavy duty spring machines for different wire diameter such as WD4.0mm, WD5.0mm, WD8.0mm, WD11.0mm. These springs are easily adjusted in coil diameter and pitch. We possess a whole set of CNC manufactureing and testing equipments ranging from wire tensile strength tester, shot peening machine, deburing machine, magnetic powder flaw detector, to compression tester. This enables us to produce all kinds of spring, such as leaf springs, rear spring ect. to meet all customer's demands.