PVC canvas welding machine Canvas welding machine PVC welding machine PVC tent welding machine\ CE High Frequency PVC Tarpaulin Tent welding machineModelHR-8kw- ... 1740mmcharacterApplied to canvas ,advertising, spark protection cloth welding,etcFirmly welding, be well meeting with materials of thick or thin.Machine groove ... vibration box, more realible and stable in output. PVC canvas welding machine