Scope of application：Bags, tents, sofas, leather goods and other medium thick materials for straight sewing, bending sewing, patchwork sewing, decorative sewing.

The characteristics of：Adopt single straight needle, big rotary hook hook and slide rod to pick up the line, synchronous tooth belt drive, box feeding. For different heights of seam material overlap, the upward and downward momentum of internal and external press foot can be adjusted. It is equipped with a safety clutch device to prevent damage caused by overload, and a wire winding device for the front and bottom of the arm.