Main technical parameters: 1) Diameter of coiling steel wire: Φ1-3mm 2) Diameter of coiling spring: Φ5-55mm 3) Production rate piece (/min): 35-80pcs/minute 4) Machine power: 1.5KW 5) Automatic turn off biggest feeding length: 3000mm 6) Machine size: 780x650x1500mm 7) Feeding way: half gear feeding way