To make it possible to speedily know the progress state at the time of checking it by sending work progress information on occasion from a terminal equipment installed in each section to each terminal through an on-line based on a management number determined in each ordered article.
When a business staff 6 receives a work order from a customer 5, a management number of the ordered article is determined and various information such as the customer information, product information and delivery information of the work is registered from an on-line terminal equipment 7 installing in a business section to a work progress information recording file 4 by using a management number as a code. The ordered work is sent to respective sections of a production management section 10. An on-line terminal equipment 17 is installed also in each section and information or the like is inputted from the terminal equipment 7 to the equipment 17. An on-line terminal equipment 27 is installed also in each section of each process in a plant production section 20 and the information or the like is inputted from the equipment 7. At the time of requiring the check of a current progress state, the staff 6 checks the progress state of the work from the terminal equipment 7 installed in the business section.
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