... Machine, Auto Hot-air PVC Welding Machine, Auto Hot-air Banner Welding Machine, Banner Jointer, PVC Jointer, Auto Jointer, Auto Hot-air Jointer, Banner Welding Machine, PVC Welding Machine ... Eupipped with temperature sensor,can control and test the temperature automatically, and keep constant temperature.4. No ... else the heating will damage the spout and the machine. Please cool it naturally till the ...