... Crane: 1, First-made honeycomb girder in China 2, Unique pin connection 3, Flexible legs,easy to transferring 1.General Description(1 ... strong wind-resistant capability, and other strong points;b, matured pin-connection-mechanism with not only higher firmness and reliability but also ... fast assembling (merely several minutes to set one steel pin);c, flexible lever of supporting post, which may be ...