The core activity of Müller Schlosserei AG is divided into three main areas: 1. **Metalwork**: General metal construction and locksmith services, including the manufacture of balconies, carports, railings, handrails, stairs, platforms, bridges and other metal structures. 2. **Machine Engineering**: Development and manufacture of specialized machines, such as banding machines (BWM 20), vegetable washing machines (GWM 84S and GWM 99 BS) and cheese washing machines (KWM K2). 3. **Creative Fabrication**: Production of creative metal products for the garden and household, such as grills, pergolas, sundials, tables, table legs and water basins.