1. The company's core activity includes the development and production of mechanical and mechatronic components as well as the rental and sale of machines, particularly for the brewery industry.
2. The core activity of Rubolino Consulting includes consulting, design and production of machines, project management in mechanical engineering, as well as test stand construction and machine rental.
3. The core activity of Hopfenfisch GmbH cannot be clearly determined due to insufficient information provided, making it impossible to make a clear statement. However, it appears to be a different company from the first two, as the contact information refers to Rubolino Consulting.