- CounterRotating Fan
- FBCDZ-6-No30 Coal Mine Exhaust Explosion-Proof Counter-Rotating Axial Flow Fan
- FBCDZ-6-No21 Coal Mine Exhaust Explosion-Proof Counter-Rotating Axial Flow Fan
- FBCDZ-6-No19 Coal Mine Exhaust Explosion-Proof Counter-Rotating Axial Flow Fan
- FBCDZ-10-No32 Coal Mine Exhaust Explosion-Proof Counter-Rotating Axial Flow Fan
- FBCDZ-12-No38 Coal Mine Exhaust Explosion-Proof Counter-Rotating Axial Flow Fan