The use of dual presser feet for synchronous feeding ensures that the workpiece is flat, the stitching is uniform and beautiful, and the sewing quality is improved. The fully automatic fuel supply system ensures that parts are not easily worn, increases the service life of the machine, reduces maintenance costs, has low noise and vibration, and is easy to operate. Suitable for edge stitching of leather bags, handbags, shoes, small leather items, phone bags, car seat cushions, tents, sports equipment, etc.