·Domestic fiberglass fans are divided into five models: 56 ", 50", 36 ", 24", and 18 ";

·Fiberglass frame, rust and corrosion resistant, long service life, including air ducts and PVC louvers;

·The 56 "and 50" fans come in two forms: belt drive and direct drive. The belt drive uses an elastic tensioning device to maintain a constant belt tension;

·The fan blades are made of nylon and fiberglass material;

·The 36 ", 24", and 18 "fans are directly connected transmission structures, which are efficient and energy-saving.