The core activity of ZWH Swiss AG includes metal processing manufacturing and services in the areas of contract manufacturing, cylinder construction and services. Specifically, the company offers the following activities: Contract manufacturing: turning, milling (also 5-axis), cylindrical grinding, deep hole drilling, honing, welding and painting Cylinder construction: engineering, new construction of cylinders, revision and repair of cylinders Services: engineering, ZEISS measuring portal, revision and repair of assemblies, assembly of assemblies