What is a tower crane? Tower cranes are fixed to the ground on a concrete slab (and sometimes attached to the sides of structures), tower cranes often give the best combination of height and lifting capacity and are used in the construction of tall buildings. The base is then attached to the mast section which gives the crane its height. What is a flat top tower crane? Flat top tower crane is easy for assembly. May Flat Top Cranes have been used on construction projects or near airports where overhead clearance is taken into a consideration. BQ GHP70240-80 is a heavy load topless tower crane, its maximum load is 80 ton, the freestanding height up to 60m, working range can reach to 70m. Other models of BQ topless tower crane GHP5517-8;GHP6016-8; GHP6016-10; GHP6518-10;GHP 6520-10;GHP6520-12; GHP7524-12; GHP7524-16; GHP7527-18, ect. ※ Hammer head Tower Crane and Luffing Tower Crane are also provided , welcome to co…