超长吊臂（50/55米）,覆盖面大。
标准节截面大（1600×1600或1800×1800）,刚性好,吊重时整机稳定,摆动小。
标准节主肢材料为角钢∠160×160×16或角钢扣方125×125×10或方管□135×135×10。
电器系统采用国内优质或进口元件，性能稳定可靠。
标准节、拉杆、上下转台等主要部件（位）全部采用CO2气体保护焊。变形小。
起升机构调速性能好，起升、下降平稳、无冲击。
回转机构采用绕线电机，工作平稳，就位快捷方便、高效。
Over-long boom is （50/55m）,wide range of coverage.
Heavy in section of mast section（1600*1600 or 1800*1800）,good steel performance,complete crane is stable and little swing as load.
Main material of mast section is 160*160*16 angle steel or 125*125*10 buckled square or 135*135*10 steel tube.
Electric system adopts domestic fine quality or import components,performance is stable and reliable.
Mast section,tie bar,upper and lower bracket and so on,main parts all adopt CO2,GSAW with large
in weld penetration,small in transformative.
Hoisting mechanism has good timing performance,rise and fall are stable,shockless.
Swing mechanism adopts winding motor or frequent motor,operating balance,efficient,fast and convenient in position.