"SIR ERP" system for managing supply chains (warehouses and stores) provides flexible and effective services that enable the management of item profiles, determine levels of re-ordering at the warehouse level, manage inventory and evaluation processes for items, manage expiration dates or serial numbers for valuable items, manage brands, barcode numbers and the ability to specify The period of supply for each item, and the system also provides advanced reports such as report stock balance in quantity and value at the group, warehouse and project level, stock levels in its various stages (required from the supplier / available / reserved / etc.) at the warehouse level, stagnant stock and stock movements by the type of operation and others.