Characteristics

　　Employ single straight needle，conneching rod and oscillating shuttle constituting double thread lock-like tack．Quadrate shell matched with horizontal workbench．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 shitch．The sewing is neat and the track of the thread is artistic even with sticky and especially lony materials．

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