QUY100 is fully hydraulic crawler crane developed independently in absorption of foreign advanced technology and combined with China domestic work conditions. Kinds of our own patents are applied in this product and reaches world leading class. The crane can pick and carry a load, 360°full swing, with hydraulic pilot proportional control, easy assembly and disassembly for boom and jib, which ensure efficient work close to buildings on construction site. Power, drive and hydraulic components, steel cables and wire ropes are selected from domestic and international famous enterprises. This crane has excellent performance, powerful lifting capacity, convenient and comfortable operation.