QTZ tower crane is the newest hoisting transportation machinery in china, making full use of GT Combined design technology and FEA technology based on computer design platform of tower QTZ tower crane belongs to upper-swing hydraulic climbing tower crane with horizontal-jib, winch- All kinds of performance parameters and technical items are up to or better than the National S The radius is Freestanding height is Attaching load-lifting height is The rated load moment is 880 kN•m and the load moment is 71 kN•QTZ tower crane is of advanced parameters, excellent and reliable performance, good-looking model, high quality, simple and applied structure with advanced safety QTZ tower crane is ideal construction machinery for most architecture enterprises with convenient maintenance, safety application and appropriate