CE Certificated four link type port container cranes have various applications, such as loading and unloading at port, materual handing at dockyard, ship building and repairing yard, metalluygy industry. The four link type four link type port container cranes are composed of frame, lifting mechanism, luffing mechanism, slewing mechanism, traveling mechanism, spreader device (grab, container spreader, hook), electrical equipment and other aiding devices for safety. The applied rigid rack and screw lever luffing mechanism make sure a constant working state.

Four link type port container cranes design and manufacturing standards: Specification for the harbor portal crane (GB/T17495-1998), Safety rules for lifting appliances (GB/T14406-1993); ISO standards, FEMstandards and JIS standards