Registration number 0282821 application number 2002-0011192

This is a dock cleaning equipment for ship building that allows cleaning the filth on the dock bottom and wall after the ship launches more easily and safely. It is possible to pump the sea water into the dock and shoot out water and the direction can be adjusted to up, down, left and right. It can reduce the workers and direction regulation is easy which can save the working time and prevent accidents beforehand.