4 4M change approving system using a network and operating system thereof

摘要

PURPOSE: A system for approving 4M(Man, Method, Material, Machine) change using a network and a managing method thereof are provided to make opinion transmission between a material provider and a user fast and to easily share the changing content information for product quality each other by requesting an approval for the changing content to the user and searching the result through a network. CONSTITUTION: The system comprises a material provider terminal(110_1,..,110_n) requesting an approval for the changing content about the product quality such as 4M and searching an examination procedure for the approval request, a 4M change processing server(130) managing the data and procedure for an approval request, a material user terminal(140) processing the approval of the 4M change content, and a network(120) connecting the material provider server, the material user terminal and the 4M change processing server. The 4M change processing server includes a material provider managing server(131) managing an authentication of the material provider to an access of material provider, a 4M change content managing server(132) and a 4M approval managing server(133).