At present, the four-dimensional shipping fleet has 37 bulk carriers, including 5 energy-saving ships, with an average age of 10 year. The ship types are mainly small and medium-sized ships, and the number of light bulk carriers is as high as 20. In addition, there are 2 super handy, 2 Ultramax, 2 Panama and 1 Kamsarmax, as well as 1 coastal passenger ships and 3 ships.