Roof ventilation performance mainly reflected? (3) step-up roof ventilation duct to collect roof air ventilators, air is pushed to form a bottom-up, natural roof hood, exhaust-driven hot air upward position; any direction (4) roof ventilators the top of the wind, the factory roof hood, the ventilator is bound to a suction outlet ventilation, Heze roof hood, in order to improve the speed bump. Fire exhaust fan HTF series fire temperature exhaust fan for high-rise buildings, underground buildings and tunnels, drying room and other high-temperature exhaust or ventilation. Continuous operation at 280 degrees Celsius for 30 minutes or more, the medium temperature of 100 degrees Celsius continuous operation 20 hours / time is not damaged, avoid power roof hood, fire is the ideal necessary facilities. Fire exhaust fan HTF series fire temperature exhaust fan for high-rise buildings, underground buildings and tunnels, drying room and other high-temperature exhaust or ventilation. Continuous operation at 280 degrees Celsius for 30 minutes or more, the medium temperature of 100 degrees Celsius continuous operation 20 hours / times without damage, fire is the ideal necessary facilities. Free Heze Power roof hood _ _ hood roof ventilation consists of Liaocheng Flextronics Flextronics ventilation equipment provided. Liaocheng Flextronics ventilation equipment (www.lcwctf.com) (www.lcwctf.com) strong, credible, in Liaocheng fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Flextronics ventilation into the brilliant and you work for a better future!