... ultrasonic ribbon cutting machine, ultrasonic lace sewing machine,ultrasonic plastic welding machines, high frequency fusing machine).Hot Plate Welding ... material,like PE, PP, nylon, ABS plastic and other thermal plastic;2.South Nekon Hot Plate Machines produce many ... , balance rings, automotive toilets, showers and other large plastic parts;3.South Nekon Hot Plate Machines'principle: through the metal ...