This machine adopts synchronous control technique both welding time and cent-control welding is composed of PLC program system with pressing firmly once only and weldig repeatedly .The input front-panel has two forms .touch screen and keyboard ,it makes this machine more intelligent and reasonable .The weft supplies are automatic .The greatest advantage is that you can adjust the distance of wefts at random on one piece of mesh sheet .This machine is equipped with new and efficient trans formet whose gear shift has 8-class so it enlarges welding range ,It is easy to learn and operate and welding output is several times and than manual work.