High frequency Stretch ceiling welding machine(Pvc Ceiling Film Welding Machine) is made specially for use in application of stretch ceiling interior design elements. The machine is equipped with special long balance board and welding /welding bar to achieve perfect straight seam line. The machine has universal application for both: PVC film welding and harpoon welding. The pneumatically driven welding bar is moved up&down with the use of pedal for exact material positioning under the electrode. The machine is updated with adjustable cylinder, additional heating device, comfortable structure and considerate pedals. Features and Functions of high frequency PVC welding machine. 1. Anti-spark electric device When the spark occurring, the high sensitiveness spark electric protection system will cut the high frequency power immediately to protect the mould and material. 2. Jamming prevention device Equipped with high…