The main factory is situated in Kraslice - a small city in the western part of the Czech Republic. This factory employs over 200 people. The production of all piston and small rotary valve brass instruments is concentrated here. A part of this factory is also the company's headquarters.
The second production site is situated in Hradec Kralove - a city in the eastern part of the Czech Republic. This place is known especially to all players of V.F.Cerveny tubas, because the whole production of medium and large rotary valve instruments is concentrated here.