Jiangsu Huafu Poly Environmental Protection Technology Co., Ltd. (hereinafter referred to as "Huafu Poly") is a well-known comprehensive service enterprise in China that integrates central air conditioning system maintenance and upkeep, intelligent remote supervision, building energy conservation and renovation. The company is committed to the establishment of the "cloud management platform+Internet of Things mobile terminal" in the post service market of "Internet plus+Central Air Conditioning", and provides one-stop professional high-end services such as the design, construction, system maintenance, technical consultation, safety assessment, etc. of intelligent maintenance, remote supervision and energy-saving transformation scheme for central air conditioners in various domestic buildings.