Key Features ✅ 13-Needle System – Ideal for multi-thread decorative and functional stitching (UO×113, #11–#14). ✅ Cylinder Bed Design – Enhances maneuverability for tubular and curved sewing applications. ✅ Double Chainstitch Mechanism – Ensures strong, stretchable seams perfect for knitwear and flexible fabrics. ✅ Back-and-Forth Looper Driving Mechanism – Provides consistent stitching with automatic oiling for durability. ✅ High-Speed Performance – Up to 5,000 stitches per minute for efficient production. ✅ Adjustable Stitch Length & Differential Feed – Enables versatility across various fabric types (1.4–3.6 mm stitch length). Usage ✅ Decorative Stitching – Suitable for sportswear, activewear, innerwear, and high-grade clothes. ✅ Functional Seams – Perfect for waistbands, cuffs, elastic attachments, and cover seams. ✅ Industrial Pr ...