1. Reincarnation mechanical spring type, retractable, used to stop the hose at any desired height at the working point, and automatically return when the exhaust hose is not in use.

2. Ultra-high temperature hose, easy to bend and expand, the external structure is a supporting spiral, and the internal reinforcement is inlaid for protection, which can resist earthquakes, corrosion and other good chemical resistance.

3. Ultra-high temperature rubber suction nozzle with built-in tightening device to capture exhaust gas without leaking.

4. Use ABB technology to produce aluminum medium-pressure centrifugal fans, with low noise and self-contained muffler system, low energy consumption and large air volume (the power of the fan can be configured according to the actual situation)