Midea Group has created a four-level R&D system, focused on building a "4+2" global R&D network, and established 38 R&D centers in 12 countries, including 22 overseas R&D centers. Through the integration of R&D resources, accelerate technology research, realize localized development, and gradually establish R&D scale advantages. Strengthen foreign cooperation, deepen strategic project research, integrate global superior technical resources, and realize open innovation of global financial intelligence. The four-level R&D system, global R&D layout, and open innovation have formed Midea's unique open three-dimensional integrated innovation system.