14inch [mechanical-regular model] three levels adjustable

16inch [wuye machinery-standard model] three-speed adjustable at irregular intervals

16inch [qiye machinery-standard model] four-speed timing adjustable

16inch [seven-blade remote control-digital display model] four-speed timing adjustable

16inch [first-level energy efficiency丨dc variable frequency seven-blade mechanical model] continuously variable speed

16inch [first-level energy efficiency丨dc variable frequency seven-blade voice remote control model] 12-speed wind speed

18inch [wuye machinery-upgrade] three levels of timing adjustable

18inch [five-leaf remote control-digital display] three levels of timing adjustable

20inch [five-leaf remote control-digital display] three levels of timing adjustable

18inch [mechanical five-blade aluminum blade] business industrial fan

20inch [mechanical upgraded five-blade aluminum blade] business industrial fan

20inch [mechanical flagship six-blade aluminum blade] business industrial fan