1.Add sealing edge function,non shuttle working,out put fabric with over lock four sides. Highly automated, cut out useless fabric. 2.Presser foot can be adjusted according to material thickness. 3.Using touch screen operation interface,simple and convenient operation. 4.The system has many functions,such as output counting,quilting size setting and needle spacing setting. 5.Adopt infrared ray fixed length function,cutting precision is high