Features:
1.saving energy
2.strong wind power
3.convenient to move
4.make low noise and light weight duct to die-casting aluminum alloy.
5.with good capacity,the reasonable structure and the strong suction.
Application:
It's special manufactured for underground cable maintance,shipping marking.
blowing bad gas when welding shipbuilding,canning,bridge.
exhaust for fire fighting,piping construction and in other violent working situation for ventilation.