PRODUCTS SERVICES CURRENT PLANNING & ENGINEERING CREDENTIALS PHILOSOPHY MILESTONES CULTURE CONTACT © 2019 STEFAN RITZER GmbH | IMPRINT | Terms and Conditions | DATA PROTECTION METAL IS OUR METIER Metal processing is our passion. Steel, stainless steel and aluminum are our materials. We cut, machine, deform, connect, punch, turn, mill, refine and assemble. More…