QUY150 hydraulic crawler crane is developed independently in absorption of foreign advanced technology and with the trend of world crawler crane development. The crane design aims at the world advanced level, emphasizes on both reliability and exterior, and the performance is in the leading position in China domestic crane industry. Power, drive and hydraulic components as well as steel plate and wire ropes are selected from domestic and international famous enterprises. This crane has additional function of automatic assembly and disassembly, light-weight for transport, easy for work-site transfer, therefore, it is ideal lifting machine suitable for China domestic conditions and international market.