Characteristics

　　Up and down synchronized feeding with differential lifting tooth foot．Synchronous cloth-giving and both-presser-foot going up and down alternately mechanism to ensure smooth sewing without fold in any stitch．Specially，this model enable both normal-and-reversed-direction operating．The sewing is neat and the track of the thread is artistic even with sticky and especially long materials．The rotating speed of the main axle is raised by a connecting rod and the machine works quieter，more smoothly and with longer working life．Matched with two kinds of racks，horizontal and vertical．

Uses
　　Product with extra-thick material such as packing bags，pack-strap，tent，shoes，sofa and leather.