This temperature controller is a heat and cool mixed recirculating water supply machine. Which developed by Guangzhou Zhonghang environmental technology Co.Ltd to meet the market demand. 

Guangzhou Zhonghang Environmental Technology Co., Ltd was established in 2012 . It is engaged in circulating aquaculture system , raw water treatment systems, aquaculture projects , aquaculture engineering research . Our products include RAS, the protein skimmer , automatic filters , uv sterilizers, biological filter , ozone generator , oxygen generator , PP tanks ,water pumps , etc. We have professional and technical personnel to provide you with professional service you farming systems. Please feel free to contact us for more information.