SJXH-Wood plastic board, flooring production line. With specially designed screw, charging barrel, molder and techniques of processing, product of this unit is a new type of environmental product. After being extruded and molded in high temperature and high pressure condition, the wood plastic composite material produced by plastic and some abandoned wooden fiber combined proportionally with processing agent and foaming agent can be used to produce pallet, packaging carton, door board, frame of the door and window, decorative flooring and decorative line.