The core activity of Gueng AG encompasses the development, manufacture, and distribution of specialized machines and equipment, particularly: plastic pipe welding machines, floor and parquet grinding machines, trowel machines, workshop machines, construction site machines, floor care and grinding machines, as well as accessories and spare parts for these machines. In addition, the company also offers CNC manufacturing services, including: CNC milling, CNC turning, CNC machining, metal manufacturing, plastic parts manufacturing, contract manufacturing, and assembly and repair services. The company positions itself as a specialist in metal manufacturing, CNC manufacturing, and the production of specialized machines and equipment.