(1) ship construction
Rust removal for steel pre - treatment and coating engineering.
The burning primers, slag and sediments produced in the process of welding;
Burnt rust, dirt and the amount of deposition in the hull of the precast part section of sea salt.
(2) ship maintenance
The removal of sea creatures from the hull, the cabin or the propeller.
The rust of the surface of the cabin, ballast and fuel tank and the stripping of the coating;
Ship superstructure, deck, deck equipment, anchor chain cleaning and paint coating peel off. Dry dock cleaning and maintenance;
The paint coating on the top and bottom of the ship's waterline is cleared.
Carbon deposition of marine diesel engine cylinder valves, etc.