... green material which is made by PP, PE and wood powder.1. Technical feature Two-stage extruder,double stage ... screw extruder,plastic machine,pelletizer,plastic extruder,WPC extruderWood-Plastic Plate Machinery ,Two-stage extruder,double stage extruder,single screw ... . anticorrosion; 3. anti-moth; 4. nailable; 5. substitute of wood and timber, environmental friendly; 6. recycling economy; Thus its used ...