Since the first 5t cantilever semi-gantry crane independently designed by Sevencrane was put into use, all performance indicators have been good and met the design requirements.

The jib of a crane is an extension or an arm that protrudes from the main body of the crane. It is an important component that enhances the crane's reach and lifting capabilities.

Jib cranes, also known as swing cranes, are versatile lifting devices widely used in various industries.

A semi gantry crane is a type of lifting equipment used in areas such as industry and construction. It is a variant of gantry crane characterized by having support legs on only one side, while the other side can be supported by a fixed structure.