1, the max width of mesh is 2500mm, the diameter of weld steel bar 2.5mm—6mm 2, the wire distance is bigger and equal to the 50mm, the wire distance can adjust willfully 3, the latitude silk spacing can adjust willfully 4, welding transform air is self-controlling, the power is bigger than 150kva 5, time contracts welds at different times 6, control and reduce electrical net pollution by weaving 7, the pressure of welding can change 8, control and welded automatically, high speed, high production efficiency 9, the machines are widely used in railway, highway, high-level construction