... adjust technology 2.Strong fasten,nice film sealing Auto Nylon Zipper Film Sealing Machine TYM-205N Features: one machine ... 150cm/0.96m³ Net weight 190kg Features:1. ultrasonic sealing, adopting the newest auto frequency-adjustment technology; different from ... gapping machine, auto gapping and bottom stop setting machine, film sealing machine, punching machine, pin making machine, box fixing machine ...