With all the characteristics of double-sided Knitting machine, Yongji's double-sided width opening machine can meet customers' high standards for cloth surfaces. The machine can fix the tightness of large and small fabrics, so that the knitting life is long, and the fabric is rolled up synchronously, so that the tension of the fabric is average vertically after the fabric is rolled up, and it is not easy to produce brightness (water ripples). The machine is equipped with a safety stop device, which can automatically stop when the cloth is not completely cut, which is the best choice for producing elastic cloth.