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Instrument and meter
Centrifugal roof fan (DWT type)
Axial flow roof fan (DWT-I type)
Square fire damper
Square wall mounted axial fan
Square air volume control valve
Square counter current fiberglass cooling tower
Slant flow fan (SJG series)
Slant flow fan (GXF series)
Cabinet centrifugal fan (HTFC series)
Axial flow fire exhaust fan (XPZ)
Successful operation!