What is the relationship between Materials Management and Purchasing?

Every company depends on a specific amount of materials and supplies to meet the demands of their customers. Individuals working in the he area of materials management must ensure that this amount of product is always readily available. To meet the expectations in their department they must communicate with the purchasing team on how much product should be ordered and when. Working together they can create a plan of how to ensure that these products are ordered in a timely manner that ensures they are always on hand.