Mahle GmbH is an automotive parts manufacturer based in Stuttgart, Germany. It is one of the 30 largest automotive suppliers worldwide. As a manufacturer of components and systems for the combustion engine and its periphery, the company is one of the three largest systems suppliers worldwide for piston systems, cylinder components, valve train systems, air management systems, and liquid management systems. The product lines of Mahle in detail: · Piston systems: Aluminum pistons for gasoline and diesel engines, articulated and steel pistons for commercial vehicle engines, piston assemblies and complete power-cell- modules. · Cylinder components: Piston rings, piston pins, connecting rods, cylinder liners, bearings and bushings for combustion engines and other automotive applications, piston inserts. · Valve train systems: