There are 1.6 m bolt joints, 1.8 m bolt joints and 1.6 m fishplate in the tower body, 60/55/50/45/40/35/30 M in the lifting boom, 8 t in the mechanism 3, reliable quality, low maintenance cost 1 movable platform railing hot dip galvanizing treatment, standard salt fog test 800h non-corrosion 2 platform with quick installation form, easy installation 3 PLC anti-increase interference technology, to reduce the interference of the external strong electromagnetic field to the electronic control, 4, the intelligence degree is high 1 disposition tower crane safety monitoring system, will limit the device connection with the control system, guarantees the equipment to be protected by the safety device;