D. R. Joseph, Inc. provides the blown film industry with the latest in high "value added" technologies. Since 1987, DRJ has established industry standards in internal bubble cooling (IBC) control, width control, and machine direction sealing technologies and continues to develop innovations that make our customers more competitive and more profitable. https://www.drjosephinc.com/internal-bubble-cooling/ https://www.drjosephinc.com/nonibc-width-control/ https://www.drjosephinc.com/slit-seal-film-sealing/