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Instrument and meter
Low noise axial flow fan (DZ series)
ABS integrated molding air outlet
PVC air vent series
Pipeline silencing static pressure box
Galvanized sheet circular muffler
Air heat source pump unit
Circular manual air volume control valve
150 ° smoke exhaust fire damper
Centrifugal roof fan (DWT type)
Axial flow roof fan (DWT-I type)
Successful operation!