Inseparated machine body minimizes the vibration at the speed of 7000 RPM. HR (Thread Cooler Device) device protects the fabric and thread from heated needle. Oil Sucking Device on the feed dog holder eliminates the oil leakage on the fabric and oil filter extends the life of machine. This machine is widely used for the collective and decorative sewing of clothes, underwear, beddings, thin packages and leathers. In addition, lots of stitches are available to choose. By simple tension-adjustment it can sew beautiful stitch. Excellent performance and simple operation increase the efficiency a lot.