... 1.plastic pipe machine 2.plastic sheet machine 3.plastic profiles machine MachineProduct Introduction:Qingdao Hualei Plastic Machinery Co., Ltd. is ... plastic special-shape material extrusion line, plastic extruding bottle-blowing machine set, SJL2 series plastic pelletizer set, PP plastic ... die assembly, series breaker, series single-screw plastic extruder, big-diameter hollow winging pipe produciton ...