Fishing boats of 20 to 30 meters. All kinds of ships are classified into different levels, and the size, tonnage, configuration and use of each ship are different. The coastal fishing boats are all 20 to 30 meters, and the cost is expected to be 100W. Fishing boats are used to catch and collect aquatic animals and plants. It also includes some auxiliary vessels for modern fishing production, such as vessels for aquatic product processing, transportation, breeding, resource investigation, fishery guidance and training, and fishery administration tasks.