International Maritime Organization concerning the Marine Environment Protection Committee conferred upon it by international convention for the resolution IMO. MEPC. 107(49) adopted on 18 July 2003. The resolution made the fully new requirement referring to 15ppm bilge treatment plant in Annex I of .

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 smallest type is YWC-0.25 which can be installed on ship less than 1000DWT.The biggest type is YWC-5.0 which can be installed on ship more than 300 thousand DWT.All of type drawings and devices are approved by China classidication society for type test.The types and specifications are as follows:We can also design and produce the special type of Oily Water Separator according to the demands of our customers.This OWS can also be used in industrial and petroleum, besides in ship vessels.The effluent oil content from YWC can meet any standards of enviornment bureau in China.