Jinan Hengsheng Engineering Machinery Co.,Ltd is a tower crane making enterprise approved by the Technical Supervision Bureau, one of the members of Shandong Building Machinery Association. 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. So they are in the people&＃039;s good graces of building industry , and our company has become a new star in the tower crane industry.