![caspian royal fish atyrau 5](https://www.hesy.com/assets/thumbs/800-400-cover/projecten/Caspian-Royal-Fish-KZ/caspian-royal-fish-atyrau-5.jpg)
WHY CHOOSE HESY/TURN KEY SUPPLIER
HESY Aquaculture is one of the world's leading companies in design and turn-key delivery of Recirculation Aquaculture Systems.
![Narakand 4](https://www.hesy.com/assets/thumbs/800-400-cover/projecten/Narakand-AZ/Narakand-4.jpg)
HESY AQUACULTURE SINCE 1984
The company was founded in 1984 and has been one of the pioneers in RAS development. HESY Aquaculture is operating worldwide with innovative technology.
![AnnaDutch 5](https://www.hesy.com/assets/thumbs/800-400-cover/projecten/Anna-Dutch-NL/AnnaDutch-5.jpg)
RECIRCULATION AQUACULTURE
Indoor Recirculation Aquaculture System are land-based fish farms, which allows all year round control and delivery of fish. Whether the facility will use fresh water.
RECIRCULATION
SIMPLIFIED PROCESS FLOW DIAGRAM
In a closed recirculation system is a high fish production of high quality in a relatively small area possible. In addition, the constant production and supply of fish throughout the year.
Compared with a controlled open system a Recirculated Aquaculture System saves on the heating and cooling costs by the use of mechanical and biological filters and by recirculating the water.