Characteristics

　　synchronous cloth-giving and both-presser-foot going up and down alternately mechanism to ensure smooth sewing without fold in any stitch.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 axis is raised by a connecting rod．The sliding bearing employed as bottom.cloth-giying axle，the machine works quieter，more smoothly and with longer working life．

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