Tower Cranes QTZ80(FTZ5513) standard section 1, 800 1, 800, main body employs <125 125 12 buckle, <125 125 12 buckle or <135 135 10 square tube.
QTZ80(FTZ5515) standard section 1, 835 1, 835, main body employs <125 125 12 buckle, <125 125 12 buckle or <...