... system. Automatic mobile tent high frequency welding machineFunction: The machine design for canvas material products welding. such as: tent, PVC ceiling, ... , bath curtain,and so on all include PVC material products welding.Specialty: 1.Adopt PLC control system. 2.Automatic running, ... One weld line, once time finishi, the line trimness. 4.Welding speed:5-10m per minuters. 5.NL-5557 sparking tube ...