An essential element of the MAN Diesel purchasing principles is the maintenance of a reliable supplier family with whom we can have a long-term partnership. It is the policy of MAN Diesel, and essential to the success of all locations within the group, to ensure that our products and services meet the expectations and needs of our customers.

The purchasing activities of MAN Diesel are based on a common set of principles and criteria. In order to maintain and widen the circle of qualified, cooperative suppliers, MAN Diesel communicates these principles in form of a supplier’s guide.