Against the backdrop of the deepening of the "dual carbon" strategy and the release of policy dividends from large-scale equipment updates, the HVAC refrigeration industry is undergoing a profound transformation from single equipment manufacturing to digital and intelligent green technology services. In order to accurately meet industry demands and break down supply and demand barriers, the "Recommended List of HVAC Refrigeration Industry" has emerged, becoming the core bridge connecting the entire industry chain. ? This directory gathers high-quality enterprise resources in the industry, covering core areas such as equipment manufacturing, system integration, technology research and development, engineering services, and energy-saving transformation throughout the entire chain. The included companies include not only top brands such as Gree, Midea, and Haier, but also specialized and new enterprises that focus on segmented tracks, covering diverse application scenarios such as household air conditioning, commercial central air conditioning, industrial refrigeration, data center temperature control, heat pump systems, and clean air conditioning. The directory presents the company’s technological advantages and service capabilities in all aspects through clear classification indexes, detailed company introductions, core product parameters, and contact information, with a special focus on cutting-edge technology applications such as magnetic levitation refrigeration, AI intelligent control, low-carbon refrigerants, and waste heat recovery. ? Whether it is the procurement and selection needs of construction engineering companies, industrial manufacturing enterprises, commercial operation entities, or the cooperation and technical exchanges between upstream and downstream of the industrial chain, this directory provides efficient solutions. It is not only a high-quality window for enterprises to showcase their brand strength, but also a practical tool for purchasers to accurately screen partners. It is also a reference guide for industry professionals to observe technological trends and seize market opportunities. ? Based on the critical period of industry transformation, this directory takes "precise matching and value empowerment" as its core, helping enterprises seize the opportunity in the stock game and incremental expansion, and jointly promote the HVAC refrigeration industry to move towards a more efficient, low-carbon, and intelligent future.