This crane is a type with cantilever, bogey jib lubbing and upper slewing lifting. All its performance parameters and technical indicators have reached or are superior to the national standard. The maximum working range is 50m; independent freestanding height 40.5m; adhered freestanding height 100m; rated lifting torque 630kN.m, maximum lifting capacity 6t. This crane is advanced in parameters, reliable in performances, beautiful in appearance, high in quality, simple in structure and easy in operation. It is equipped with advanced safety devices and is easy for repair and maintenance, safe for use and reasonable in pricing, for which it has become an ideal choice for many construction enterprises