Introduction - If you have any usage issues, please Google them yourself
To buoy, mapping and communication of the three main sections, is an important part of water transportation security system, technical support and bear the shipping service guarantee economic functions of the ship sailing on a steady water traffic safety situation in our country to play an irreplaceable important role. From the 1970s, since the 1980s, with the gradual deepening of China' s reform of water traffic safety supervision, aids to navigation, mapping, communications and other institutions have experienced several reforms, institutional change and responsibilities adjustment, gradually established with Chinese characteristics maritime security system.