Sewage treatment unit adopt living beings is it oxidize law and materialization treatment disinfect principle punish the sanitary sewage of boat to exposed to. The structure form and performance of this device meet the demand for national standard GB10833-89 "technological terms of sewage disposal s

The YWC type OWS developed for this is the high-tech newest product which can effectively dispose all kinds of bilge water including fuel oil, high-density residual oil and emulsion mixture combined with black ferric oxide and surfactant. There are nine types of specifications in YWC series. The