The JL4950 Marine integrated command ship built by Jianglong Shipbuilding (stock code: 300589) is made of composite materials, with the main hull made of steel and upper construction made of aluminum alloy.The ship is equipped with sophisticated equipment and fashionable interior.

Hull parameters: total length 49.50m, width 7.30m, depth 3.30m, full load draft 1.50m, with dual engine, twin-propeller and twin-rudder drive, speed greater than 28kn, endurance greater than 400 nautical miles.