SEMI-ENCLOSED STRUCTURE: Bag Closer Closing Machine with a certain degree of dust-proof acity; shell made of aluminum alloy die-casting, the main components of high-quality alloy steel support, easy wear parts have been a special heat treatment. APPLICATIONS THE SEWING MACHINE: This portable bag closer is specially designed for closing bags in different area, such as agriculture chemical industry transportation business etc. It is a professional, machine in closing bags of rice, flour, animal feed, fertilizer, gravel, charcoal, or anything you can fit in a bag. HIGH WORKING EFFICIENCY : 90W copper core copper wire strong motor, 250-300 bags/hour; speed: 12500 rpm; Sewing speed: 20m/min; sewing material thickness: 8mm/0.31inch; needle spacing: 6.5mm/0.26inch. Ideal for factory packaging. EASY TO OPERATE : This compact and robust machine is ideal for quick repairs, small project and beginners, quick, efficient, and breezy needlework, and perfect for various industries such as chemical building materials, chemical fertilizers, grain post, and telecommunications, ports, warehouses, and bag making. SERVIC : If you have any questions, please feel free to contact us; we will reply to you within 24 hours!