·Imported galvanized sheet fan is divided into four models: 54", 50", 36", 24"and 18";

·Hot dip galvanized sheet frame, with a thickness of 275g/㎡ of galvanized layer,formed at one time, with a drain at the bottom;

·PG fan blade, aluminum alloy shutter, 54"and 50"with air duct;

·The belt tension is kept constant by 54"and 50" belt tensioning devices;

·36", 24"and 18"fans are of direct transmission structure, which is efficient and energy-saving.