Zhonggong owns a state of the art R&D center, best-in-class test equipment and thousands of manufacturing equipment which enable our products including overhead workstation cranes, shipyard cranes, pillar jib cranes, explosion protected cranes, steel mill cranes, manual cranes, balance cranes, electric hoists, electric flat wagons, hydraulic scissor lifts, etc. to be among the best hoisting machinery and rank top in technology.