QTZ105 (HS5516P) tower by my company is developed and large tower. The tower for turning on the shelf, the car horn level arm, no tower cap, hydraulic ZiSheng. Rated lifting torque for 1050 kN m., independent erection was maximum lifting height of 43.5 m, and attached to the maximum lifting height is 170 m, maximum lifting weight for 8 tons, the most greatly place up to 1.6 tons of weight, the most greatly for 55 m.