The production line is mainly used for the production of the Great Wall panels, inner wall panels, partition walls, pinch plate, acoustic panels, stair handrail, window-shades,foot line and some decorative ecological wood products. The extruder with the unique screw design prevents raw material from high shear or over plasticizing. As a result, products gain signifificant texture of wood surface, and product with characteristics: no deformation, non-fading, fifire prevention, anti-corrosion, anti-moth, anti-aging and anti-UV.