Plastic Flow (www.plasticflow.com) markets the polyXtrue software to plastic industry. PolyXtrue is the leading software package for design of polymer coextrusion and monoextrusion dies using a full three-dimensional simulation of the flow in extrusion dies. Another software which Plastic Flow markets is the PELDOM software for estimation of the elongational viscosity of polymers. Plastic Flow also designs polymer coextrusion and monoextrusion dies as a service to plastic industry.