Comprehensive feeding, capable of accurately and easily sewing multiple layers of thick materials, with precise and beautiful stitching; The lifting capacity of the presser foot can reach 20MM, suitable for sewing extremely thick materials; The sewing work range is wide, up to 400mm, suitable for sewing large items; The use of a semi rotating Big Moon Eyebrow and Big Shuttle can reduce the number of changes to the bottom thread and increase sewing efficiency; Suitable for sofas, seat belts, tents, shoes, luggage, etc.