1. Ventilation and ventilation systems
- air ducts and fittings for ventilation and air conditioning systems
- air ducts and fittings for smoke removal systems – fire protection systems
2. Chimneys and chimney systems (steel and stainless steel)
3. Steel structures
4. Pressure vessels
- ionic water softeners
- split and storage batteries
- sanitary water boilers
- tanks (reservoirs)
