With the rapid development of China's economy, China has become one of the most important maritime powers in the world. 19% of global bulk sea freight is shipped to China, and 20% of container transportation comes from China; Among the newly added bulk cargo ocean transportation, 60% to 70% are destined for China. China's port cargo throughput and container throughput have both ranked first in the world; Among the top 5 ports in the world's container throughput, China accounts for 3. With the continuous expansion of China's economic influence, the world shipping center is gradually shifting from the West to the East, and China's shipping industry has entered the forefront of the world's shipping competition stage.