Hisense Air Conditioning adheres to the development strategy of "establishing an enterprise through science and technology and operating steadily", and has mastered 360 full DC frequency conversion technology, FPA full purification technology, HIFD electrostatic dust collection technology, PLC intelligent remote control [3], AI comfort control technology, QSD fast frequency conversion start technology, UHF PFC control technology, PLC remote control technology, DDF dual-core dual-control technology, VVI jet frequency conversion technology, nano-water ions and Hi-sap air.