Titlis card SF-120L Hongda tower crane is the company brings together twenty years experience in tower crane design and production launch of a turn on the boom tower crane, to meet GB/T5031 \u0026lt;\u0026lt;Tower cranes conditions\u0026gt;\u0026gt; and GB5144 \u0026lt;\u0026lt;Tower Crane Safety Regulations\u0026gt;\u0026gt; standards. This machine has the following characteristics: 1) the performance parameters of advanced, lifting torque, increased from the high work rate of large, small turning radius, the use of high efficiency. 2) The whole shape of beautiful, light steel structure, sophisticated materials and by the integer peening, rust and other pretreatment; standard section by a welding and cutting tire processing,