... no deformation, no shrinking, no cracking and no de-colouring, pest-resistant, acid and alkali-resistant, anti-corrosion, ... , aging-resistant. Main ingredient:PVC resin, waste steel reinforced plastic, wood fiber filler (rice chaff, straw, wood powder, ... and outdoor decoration, carpentry, or areas where wood, plastic, steel reinforced plastic, aluminum alloy and similar composite materials are used. ...