RF fabric welder machine(Stretch Ceiling High Frequency Welding Machine) ,this is one new design for customer ,increase laser system ,also manual button for up or down ,make sure more saftey operation. Used for welding Liquid tanks, canvas, car tents, tarpaulin, air structure, sun shades,awning,truck cover,Billboard inflatable dome, awning, truck covers, car tent, sunshade, inflatable tents, tailgate, inflatable dome tent, awning, tarpaulins, covers, pool liner, sunshade and many other kinds of plastic products The pneumatically driven welding bar is moved up&down with the use of pedal for exact material positioning under the electrode. Hf Pvc Welder Machine is updated with adjustable cylinder, additional heating device, comfortable structure and considerate pedals. Features and Functions of high frequency welding machine 1. Anti-spark electric device When the spark occurring, the high sensitiveness spark electric protection system wi…