New 5.2-inch carriage, full motor +encoder closed-loop control for efficient and precise switching. Auto Oil Pump, timed lubrication reduces friction and extends service life. Waste Oil Recirculation, automatic recycling, sedimentation, filtration, and pump return. Standard IR Yarn Detector, timely detects floating yarn to reduce needle damage. Soft High-Position Roller System, take-down point closer to needle bed ensures premium fabric tension control. IR Roller Reverse Sensor, instantly senses reverse motion to prolong roller life. The self-optimizingsinker system eliminates manual calibration while preventing yarn deviation,stitchdrop,and loop foat defects, enhanceneedle transfer stability, improve knitwear qualified rate. Motorized Stitch Cams, mid-needle pre-selection optimizes knitting systems for maximum efficiency.