BioMasterAqua focuses on the development of major RAS equipment and energy-saving technology. In 2017 one year, we have 11 patents granted in the fields of recirculating aquaculture system, drum filter,protein skimmer, UV sterilization,water pump and online monitoring system for RAS.The ras equipments designed and manufactured by our company is over 80%.By September 2015, the demonstration bases of recirculating aquaculture in Shandong province had been completed, 18 sets of recirculating aquaculture systems had been built.Till now the RAS farms in China built by BioMasterAqua have exceeded 100,000 square meters. In 2018, the R&D center of BioMasterAqua in Zhejiang have been finished.In addition to the conventional fish recirculating aquaculture systems, we also have developed aquatic transportation system, oysters RAS, shrimp and crabs RAS, rotifers RAS, leeches and frogs systems etc.