We,Chongrui Aqua Tech Co,.Ltd. are devoted to Recirculation aquaculture systems (RAS) which represent an exciting, Eco-friendly and unique way to farm fish. This system rears fish at high densities within an operator controllable rearing environment inside a building. RAS designs have several system process technologies all of which work together to ensure minium loss of water, heat and of course fish stocks, while constantly cleaning and re-using the fish tank water. RAS is suitable for fresh ...