This machine is mainly used for assembling spring units with springs and helical wire. It is an ideal equipment for producing mattress spring units and seat cushion. 1.Small in size, controlled by one person, cost-saving. 2.The parameters such as spring unit size, helical wire diameter, end coil diameter, spring height can be set within a certain range. 3.Can complete upper and lower assembling simultaneously. 4.Auto-cutting and clenching can be realized at both ends of helical wire. 5.Auto-advancing of spring unit, auto-stop when helical wire choked. 6.Different jaws available according to customer's requirement.