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The model of this commercial heavy duty sewing machine is NY-591-D ,its fully automatic computerized a white industrial body design, equipped with an intelligent control panel and a large rotary shuttle structure. This model integrates advanced functions such as automatic thread cutting, automatic repositioning, automatic speed adjustment, automatic feeding after thread cutting, and automatic stitching, achieving full automation throughout the process. It uses a dual-control rod feeding system, offering excellent climbing performance and outstanding feeding stability, making it easy to handle materials thick. The machine is fitted with a fully automatic oil supply lubrication system, effectively reducing component wear and extending its service life. Compared to ordinary models, the lifting foot is higher, with a wider line Afstand, hvilket gør det særligt velegnet til behandling af ultra-tykke materialer . Den samlede driftsstøj er under industristandarder, med minimal vibration og praktisk drift, hvilket gør det til et professionelt valg til produktion af sko-, hat- og taskeindustrier .