This machine is mainly used for producing bonnell springs suitable for mattress, furniture and automobile cushion industries. It consists of following systems: wire delivery, spring coiling, spring delivery, knotting, heat-treatment and spring collect. All systems are mechanical and work simultaneously. The machine is controlled with PLC and touch screen. The production is automatic and need only one operator. Changing parts relevant can produce springs in a certain range. Soundproof cabinet avoids body injury and noise during production process. The machine is high in capacity and low in labor consumption.