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Firsquare

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  • Air Damper Products

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  • Spiral Duct
    Spiral Duct
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    Galvanized steel ducts are suitable for indoor, non-corrosive environments such as ship accommodation areas, engine-room ventilation, data centers, and new energy facility systems. Manufactured using standardized processes, they meet HVAC supply and exhaust air requirements and offer good formability and cost efficiency, making them one of the most commonly used duct types for industrial and commercial ventilation systems.
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  • Galvanized Steel Duct
    Galvanized Steel Duct
    
    Galvanized steel ducts are suitable for indoor, non-corrosive environments such as ship accommodation areas, engine-room ventilation, data centers, and new energy facility systems. Manufactured using standardized processes, they meet HVAC supply and exhaust air requirements and offer good formability and cost efficiency, making them one of the most commonly used duct types for industrial and commercial ventilation systems.
    Learn More >
  • Stainless Steel Duct
    Stainless Steel Duct
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    Stainless steel ducts are suitable for outdoor applications or corrosive indoor environments such as chemical plants, battery rooms, and offshore equipment spaces. With excellent corrosion resistance and airtightness, they are ideal for HVAC systems in offshore facilities, marine vessels, onshore oil & gas, the nuclear industry, data centers, and new energy installations, ensuring long-term reliable operation under harsh conditions.
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