Jinan Hengsheng Engineering Mchinery co., ltd is a tower crane making enterprise approved by the Tchnical Supervision Bureau, as One of the members of Shandong Building Machinery Association. Our company locates in the easten side of the beautiful Nvlang Mountain, and the suburb of Jinan city,with Jiqing Expressway on its north and Jiaoji Railway on its south.Our company has introduced advanced technology and skilled personnel from both at home and abroad, and adopted scientific and strict testing measures, which makes the products QTZ series tower cranes more rational in structure and more reliable in function.