Shandong Minglong Construction Machinery Co., Ltd, an incorporated company restructured based on former Shandong Zhangqiu Crane Factory, is a professional tower crane manufacturer recognized by the Ministry of Construction. It was one of the first enterprises that achieved Production License issued by the Ministry of Construction in 1988 and one of the enterprises that achieved Special Industry Tower Crane Manufacture License issued by State Bureau of Technical Supervision in 2003. In April 2005 it achieved Special Equipment Manufacturing License of People's Republic of China.&＃65292;Quality ISO 9001:2000&＃12290;Over 30 years, it has researched and developed QT25, QTZ25, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ100 QTZ125 and QTZ 160 self-elevating tower crane, WL160 hoisting machine, SCD200/200 construction elevator, JS350, JS500 and JS750 compulsory twin shaft mixer and associated concrete and stabilized soil mixing station with Changsha Institute of Construction Machinery of the Ministry of Construction.
      Tower crane series: It contents QTG25, QTZ25, QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ100&＃65292;QTZ125and QTZ160&＃65292;hoist load ranges from 2.5 tons to 16 tons. Freestanding height ranges from 30 meters to 50 meters and maximum height can reach 150 meters.