Main application and performance: The machinery is mainly used for zigzag sewing label of mattress Its am shaft and hook drive shaft are characterized With entirety structrue.It adopts imported speed adjusting motor.Also with automatic needleupper returning.All its technical performance may match with advanced international standards of the same kind product. Techical data: Machine head span:780mm  Sewing speed:120 - 150 s.P.M  Zigzag width:0 - 10 mm  Max.Needle pitch:4 mm  Max.Sewing thickness:40 mm  Presserfoot lifter:25 mm  Motor power:370W  Operating air pressure:0.5 - 0.8 MPa