Sewing & Control System Dual fixed needle lockstitch sewing heads with double-capacity hook and pneumatic thread trimmer. 7” color touch screen for easy programming and operation. Up to 8 sewing programs can run in sequence. Automation & Productivity Automatic stacker for efficient material handling. Quick-change kit for single or double welts with automatic sensor detection. Programmable back tacking (3–12 mm), stitch length (0.5–4 mm at start/end, 1–4 mm at center), and welt lengths (20–200 mm). Programmable start and end speeds for optimized seam quality. Precision & Quality Enhancements Independent center knife powered by motor for precise cutting. Fixed corner knives system with servo-driven holding clamps controlling welt cut length. Holding clamps powered by servo motor, synchronized with needle movement. Flap sewing sensor for reliable operation. Four laser marking lamps for accurate positioning. Monitoring & Safety Needle thread detector and bobbin counter for uninterrupted production. Vacuum motor system ensures proper material