Mast section High efficiency and good service building tower crane

1.High precise fixture and durable main steel frame
2.Good qualified raw materials and strict producting techniques
3.Adopt international standards approval certificate
4.Adopt Welding Robort to weld, reliable in quality and elegant in appearance.
5.Square steel frame:the connection plates between pipe rails are bended by large machine.the bended steel is firm, good verticality, stability. Moreover it ensure stable of the whole structure.
6.All the structure adopt Tooling fixed technology to ensure stable perfomance and stability
7.the Mast section(color is variable) is made of seamless pipe.(the high quality seamless steel pipe is good verticality, anti-pressure, anti-aging, thickness and so on)