SAP MM(Material Management) is one of the important modules of SAP ERP software and MM application module supports the procurement and inventory functions occurring in day-to-day business operations. SAP MM contains many aspects such as purchasing, goods receiving, material storage, consumption-based planning, and inventory. SAP MM is fully integrated with other modules in SAP R/3 system such as Finance(FI), Controlling(CO), Sales and Distribution(SD), Quality Management(QM), ...