INFLATABLE HOT AIR WELDING TENT HOT AIR WELDING PVC FILM HOT AIR WELDING TARPAULIN HOT AIR WELDING CE HOT AIR ... surface, under necessary suitable pressure to get perfect welding effect, PVC, TUP material are all available, which are made to water ... and etcCharacterSuitable for any size of inflatable products made of PVC,TPUPLC, Visible to operation, and convenient to reset parameterSelf-control ...