Home default Operating Principle Acrylic sheet is heated to be soften, and by the suction effect, it rely on mold closely. Operating Principle Acrylic sheet is heated to be soften, and by the suction effect, it rely on mold closely. Pvc Pipe December 27, 2019 Share: Facebook Twitter Pinterest Operating Principle Acrylic sheet is heated to be soften, and by the suction effect, it rely on mold closely. ... Click to read moreOthers news: Another news: