Plastic welding machine 1.Welding machine 2.Used for plastic welding 3.High working rate 4.High quality parts Feature of products: ( Ultrasonic welding machine for plastic )Adopt international industry wave, have a stable ... cushion, sunboard, car door plank, headrest Blowing toys, blowing ship, blowing swimming pool, water bed, vacuum packing, etc Welding and Cutting polyster ...