The core activity of Jean Gallay SA is the manufacture and repair of high-tech components, particularly for the aerospace and energy sectors. The company offers a wide range of manufacturing and control processes, including shaping, welding, coating, testing and machining of metal parts. Specifically, the company focuses on the production of components for aircraft engines, including civil and military engines, as well as gas turbines. The product range includes components for engines from well-known manufacturers such as CFM, General Electric, Pratt & Whitney and Rolls-Royce. The company also offers services such as co-engineering, prototype construction and series production, and has its own laboratory for testing and quality control.