... the PVC molecular structure effectively, saving energy. When the machine stop, the heating boards open automatically, prevent the PVC ... products from overheating.4. Stroke pulling: Adopt one arm machine hand pulling blisters.5. Speed change adjustable: Adopt ... products, tableware, kitchen utensils, sports etc. Such as cakes, injection, syringe, toy cars, scissors, flashlight, batteries, spark plugs, ...