Junsheng steel plastic composite warp knitted geogrid ultrasonic welding machine, absorbing the most advanced ultrasonic technology all over the world, the whole set machine has superior performance. It has features of lower power consumption, long operating life, high welding precision, running steady. This kind knitted geogrid is widely used in railway and highway roadbed protection, dam, bridge abutment, ramp, shoals polder, tailings dam, slag yard, inner harbor dock, landslip repair and so on.