... Sealing Machine 1.ultrasonic sealing 2.newest frequency adjust technology 2.Strong fasten,nice film sealing Auto Nylon Zipper Film Sealing Machine TYM-205N Features: one machine ... machine, film sealing machine, punching machine, pin making machine, box fixing machine, slider mounting machine, top stop machine, bottom stop machine, top stop, pin and box injection molding machine, cutting machine ...