QTD5520/ QTD4526 Luffing Tower Crane is the newest product of Jinan Huiyou Constructional Machinery Co., LTD, Whose jib can be luffing. Its max load is 10t, the jib length is 55m/ 45m, max. hoisting height is 201.5m, tip load is 2.0/ 2.6t, free standing height is 47.5m. The main material of the mast sections is 200× 200× 20mm, the mast section is 2× 2× 2.8m. Any interest, please contact with huiyoutc( at) yahoo( dot) cn