The moulds are made of premium quality steel. We are professional in making wood and PVC composite( ... mould, extrusion die for PVC profile, flooring, ceiling, windowsill, decking, duct etc.extrusion tooling, extrusion die, extrusion mould, extrusion molding ... extrusion ,plastic extrusion, extrusion machinery. Major applications are :WPC decking ,WPC fencing ,WPC pellet ,door frames ,wall panels,and ...