Manufacture ventilation control systems & window actuators & linear actuators, chain actuators & SHEVs control panels.
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r the Smoke ventilation industry for the highly effective Roof Opensky Smoke Ventilator. The Opensky is now the most popular product in its range. 201...red a smoke ventilation system. Project Solution ADS (Air Design Systems) installed Powrmatic N-SHEV Stirling natural and smoke ventilators at the hea