... , Famous Trademark of China Stationary, Mobile, Outside-climbing, Inside-climbing and Luffing Flat-top Tower Cranes 1.QTZ300(7031)Tower Crane2 ... r/min)0-0.7Radius-changing Speed (m/min)20Jacking-up Speed (m/min)0.46Total Motor Power (kw)117. ... ), Concrete Batchers, Concrete Mixing/BatchingPlants (25-480m3/h, stationary, mobile, conventional-type, compact-type, simple-type, commercial-type), Concrete ...