After opening to the outside world, wharfs and ports are important operating locations, and wharf construction is a natural interface connecting the hinterland and maritime transportation. It is a hub and hub for land and water transportation. The wharf is a place where ships berth, load and unload cargo, get on and off passengers, and supplement materials. In the old society, they were all handled manually. Now the development of machinery and equipment, cranes play an important role, reducing manpower, improving efficiency, and promoting economic development.
Cranes are important equipment for handling, loading and unloading. The use of high-quality materials and advanced design improves the efficiency of loading and unloading. There are many types of cranes, and cranes dedicated to docks require professional skills. Nowadays, there are more and more exchanges between various places, and the demand for cranes is also increasing. In some places, multiple quay cranes are required to function at the same time. Therefore, cranes are important equipment for modern economic development.