https://www.marketscreener.com/quote/stock/MTU-AERO-ENGINES-AG-470192/news/MTU-Aero-Engines-Lufthansa-Technik-and-MTU-Aero-Engines-agree-on-concluding-a-joint-maintenance-co-23912610/?utm_source=telegram&utm_medium=social&utm_campaign=share