Truss girder goliath crane 1. Steel structure part of the gantry crane is welded by U-steel with light weight, low cost and convenient assembly and disassembly. 2. Fast lifting speed and high wind resistance 3. Many safety devices such as overload limiter, over-height limiter and overspeed switch are added to ensure products' safe operation. 4. We can design gantry cranes with different specifications to meet different customers' requirements