Production management system software that integrates production planning, process control, inventory management, and quality control in manufacturing sites. Includes MES (Manufacturing Execution System), ERP (Enterprise Resource Planning) manufacturing modules, process progress management systems, production schedulers, and work instruction systems. Provides real-time production status monitoring, inter-process coordination optimization, delivery management, and cost management functions to achieve improved production efficiency and cost reduction in manufacturing. Unlike other software categories, this targets systems with functions specialized for production activities in manufacturing sites.