Permanent magnet frequency conversion large ceiling fan using independent design of frequency conversion speed regulation, high efficiency and energy-saving permanent magnet external rotor motor drive, with low noise, small size, light weight, compact structure, beautiful appearance and other advantages, widely used in supermarkets, office squares, outdoor parks, outdoor catering places, can last night space ventilation, personnel cooling a new type of ceiling fan, this instance customer feedback satisfaction is extremely high, the product has a number of sizes to choose from, welcome to inquire.