MOLDING MACHINE MANAGING SYSTEM, MOLDING MACHINE MANAGING APPARATUS, PORTABLE INFORMATION TERMINAL, RECORDING MEDIUM WHERE PROGRAM FOR MOLDING MACHINE MANAGING APPARATUS IS INSTALLED, AND RECORDING MEDIUM WHERE PROGRAM FOR PORTABLE INFORMATION TERMINAL IS INSTALLED

A molding machine managing system includes a portable information terminal having a display part where received information is displayed, and a managing apparatus for managing a molding machine. The managing apparatus includes a radio machine. Information is exchanged between the portable information terminal and the managing apparatus by the radio machine.