Transformed and developed circulation wind field equipment in 2018, its professional R&D team invested in research of PMSM power and obtained nearly 200 multinational inventions and new patents based on united efforts of colleagues. Combining energy-saving rare earth maglev motor SPM with durable antifouling fan blade DAF and exclusive development of the AIOT DC intelligent drive controller, the Holicopter Fans® are created with the purpose of "The Most Comfortable Air".