JL5500 is a new type of ultra-high-speed marine police law enforcement ship built by Jianglong Boat to enhance China's marine law enforcement capabilities. The ship has a total length of 55 meters and a width of 7.6 meters. It is equipped with 4 machines and 4 paddles and has a maximum speed of 32 knots. It has the advantages of high speed, wind and wave resistance, strong anti-collision capability, high information system assembly and high automation.The main function of the ship is to carry out inspections, intercept smuggling vessels at sea, and assist in participating in customs supervision and border protection.The whole ship adopts a number of technological innovations and system integration technologies. For example, through the data bus and video bus, the equipment or sub-systems on the ship can be connected together to realize investigation and forensics, weapon strike, voice communication, and image display automation. This has greatly improved the ability of public law enforcement vessels in search and evidence collection, command and control, and communication and navigation.At the same time, the ship is equipped with a large-scale high-speed boat and a fast-receiving system. When a suspicious target is found, the tail is equipped with a fast retractable system that can quickly lower a speedboat with a speed of more than 50 knots under severe sea conditions. The encirclement tactics of big ship blocking and speedboat chasing ensure the effectiveness of action.The leading brand of domestic high-performance official law enforcement vessels, Jianglong Boat has built and delivered hundreds of high-performance boat products for the China National Marine Police, the Ministry of Transport, the Ministry of Agriculture and Rural Affairs, the General Administration of Customs and the Ministry of Public Security. It plays an important role in the strategies of serving the country “One Belt and One Road”, “Ocean Power” and “Guangdong, Hong Kong, Macao and Dawan District”