... ultrasonic welding machineEnvironmental protection and efficient use of plastic welding machine is used: pure PVC, ... equipment. Also used for various environmental plastic (APET, PETG, GAG), polyvinyl chloride (PVC)-based plastic welding, welding, stamping ... communications equipment, trademarks, stationery, raincoats, inflatable toys, plastic cover , cool liquid cushion, footwear, cushions, all kinds ...