280°F fire damper

Our main products include fire high-temperature exhaust fans, axial fans, mixed-flow fans, roof fans, fan casings, positive-pressure supply fans, pressure supply fans, multi-blade supply outlets, pressure supply outlets, positive-pressure supply outlets, fire equipment flame dampers, fire regulating valves, smoke valves, smoke and fire dampers, multi-blade smoke outlets, panel-type smoke outlets, fresh air handling units, modular air conditioners, fresh air and exhaust air changers, aluminum alloy outlets, water tanks, cooling towers, and various air conditioning accessories, as well as air conditioning fire safety products.