The ultra long arm，the coverage area is big.
The standard segment section is wide，rigidity is good，complete machine is stable when craning，swings slightly.
The standard segment principal branch is angel steel or square tube.
The electrical system uses domestic high quality or importing parts，performance is stable and reliable.
The standard segment，drawbar，from top to bottom turntable.and other major comparents，used in all CO2 gas-shielded welding，penetration depth deep，small deformation.
Slewing mechanism adopt winding motor or frequency motor，starts smooth and reliable.place convenient and efficient.
Hoisting mechanism with good performance of speeding.lifting and declining no impact and smooth.
