... have more than 20years to make mold 3,high quality used for 5-10 years Special Strengths1,We are recongnized byISO9001 ... experiencein the extrusion mould industry4,The high quality moulds can be used for 5 years.5,The product is competitive ... instructions of design and manufacturing for various extrusion moulds and products.3,Warranty: One year. high quality plastic extrusion molding for wpc corridor