It adopts double independent stepping motor to drive the trimming and lifting foot, which is quieter and more stable. It can be freely set to produce a variety of different stitches to achieve the effect of multi-purpose. The stitch pattern can be customized on the operation screen and can store 8 patterns. Adopting new motor design, low maintenance cost, convenient encoder replacement; scientific design, thick and easy to eat; sealed oil pan, no oil and no care; electronic knee control, easy and smooth seam; large wind volume hand wheel, electric control box heat dissipation; super energy USB interface.