The floating crane is loaded with the floating platform of fixed portal crane, which is usually installed on barge. It can be moved to wherever it is needed for loading and unloading in port, moors alongside in the port or displaced to anchorage for transship. The grab bucket and hook are as the lifting tool for loading and unloading material.

For the machine installed on the deck of the ship, the compact structure makes ship have more available deck area and have a less effect on the sight on the navigating bridge.The deck crane is easy to operate and flexible with a high efficiency for loading and unloading. It has no tedious preparation work and is used widely.

Ship crane is a special kind crane which effect transport operations in a marine environment, mainly used for the transfer of cargo transport, maritime supply, delivery and recovery of underwater equipment between ships, etc.