Home default Plastic injection molding machine composed of imported advanced hydraulic components. System pressure is controlled by proportional valve. Plastic injection molding machine composed of imported advanced hydraulic components. System pressure is controlled by proportional valve. Pvc Pipe November 21, 2019 Share: Facebook Twitter Pinterest Plastic injection molding machine composed of imported advanced hydraulic components. System pressure is controlled by proportional valve. ... Click to read moreOthers news: Another news: