Buoys have different types and specifications, and can be divided into inland buoys and sea buoys according to the Laid out water area. Inland buoys include drum buoys, triangular buoys, spar buoys, cross-flow buoys and left-right navigation buoys. The shape, coloring, top label, lamp quality, etc. of the buoy all need to be installed and produced according to the prescribed standards, and all have specific meanings. The basic shapes of the sea buoy body are tank-shaped, tapered, spherical, cylindrical, rod-shaped and so on. Due to the influence of wind, waves and tides, the standard body has a certain floating range and cannot be used as a sign to determine the position of the ship.

Steel navigational buoys could be used in these areas:

1, The anchorage of steel buoys, Ship berthing, quarantine anchorage, no-sail zone, military exercise zone etc.

2, Offshore operation area, marine data detection, hydrographic survey, diving, salvage, offshore engineering construction work (drilling), marine development, mud throwing area, speed measurement field, compass correction field, water structures, cables, pipelines, inlets, outlets, etc.

3, Split lanes, dividers, etc., when using regular aids to navigation marks that particulate navigation may cause confusion;

4, Entertainment area, sports training area, marine casino, coastal bath, etc.;

5, Aquatic products operation area, aquatic fixed net operation area and aquafarm, etc.