3.1. - Complex equipment for wastewater treatment plants
3.2. - Technology and el. equipment for wastewater treatment plants
3.3. - Sediment and solid residues management
3.4. - Sediment de-watering and thickening
3.17. - Mechanical, physical and biochemical processes for wastewater treatment
3.18. - Compressors
3.19. - Blowers
3.20. - Organic filters
5.1. - Metal water piping
5.2. - Glass-reinforced plastic (fibre glass) water piping
5.3. - Plastic water piping
16.1. - Technological equipment for potable water treatment for the needs of industrial companies
16.2. - Waste water treatment plants for industrial companies
16.3. - Water and sewer pipe systems in industry