China low clearance crane is a light and small crane with rail operation. It can be installed directly on the roof structure of the existing factory building. It does not need the beef legs, so it can save space, reduce costs and use all the workshop space for production. It has the characteristics of compact structure, good rigidity, sensitive operation, low noise, safety and reliability. In addition, this series of cranes has a small running limit, and the heavy objects can be lifted to a position close to the wall of the factory. The side cantilever can make the driving range of the trolley exceed the crane span, and is widely used in industrial and mining enterprises. Warehouses, stockyards and other places. Reasonable main beam structure adopted by computer!