After-sales services generate a high percentage of today’s business volume in the industry of producer goods. Basis of after-sales services is the availability of spare parts for a contracted timeframe of support. A long term provision of electronic spare parts, however, faces problems because of short innovation cycles and the resulting decreasing availability of components. A closed-loop supply chain integrating manufacturer and treatment facilities provides an opportunity to ensure a long-term provision of spare parts by using components of used equipment.
