The Public Investment Promotion Office of Capital Airports Holdings Limited (hereinafter referred to as the "Investment Promotion Office"), formerly known as the Public Investment Promotion Office of Beijing New Airport, was established in November 2014. It is directly affiliated with Capital Airports Holdings Limited and is an earlier professional consulting and investment promotion service organization in the civil aviation industry. In February 2019, it was renamed, and according to the decision of Capital Airports Holdings Limited, it was transformed for simulated corporatization operation.

The employees of the Investment Promotion Office specialize in financial affairs, finance, legal affairs, engineering construction, airport operation, and other fields. Among them, six employees hold senior titles, and 11 hold master's degrees or above. Some employees also have professional qualifications such as certified public accountants, certified asset appraisers, certified tax agents, certified cost engineers, and lawyers.

Since its establishment, the Investment Promotion Office, actively implementing national policies and the deployment of Capital Airports Holdings Limited, has done a lot of innovative exploration work, successively served airports in Daxing Airport, Capital Airport, airports in Nanchang, Shijiazhuang, Changchun, Harbin, Xi'an, and other places, and completed more than 30 public investment promotion projects, with a total construction capital of more than five billion yuan. Through independent innovation to create several industry cases such as the Daxing Airport parking building and comprehensive service building model and the Xi'an Xianyang Airport Hotel's innovative BTO model, it has strongly promoted the key reform and transformation tasks of Capital Airports Holdings Limited and facilitated the development of the industry. The Investment Promotion Office now provides consulting and agency services for airport construction investment and financing, public investment promotion and business model transformation of the Group headquarters, Group member units, external civil aviation units and local governments.

The Investment Promotion Office adheres to the "1-1-2-2" transformation idea. The first "1" means "one positioning" based on its role as a market-oriented reform booster to strengthen the function of "attracting public capital to promote the innovation of investment and financing model and the implementation subject of market-oriented reform of Capital Airports Holdings Limited. The second "1" means "one goal": Through investment and financing model innovation and market-oriented reform, it aims to help enhance the value of airport resources and contribute to the high-quality development of Capital Airports Holdings Limited. The first "2" means "promotion in two aspects", which enhances the professional ability of public investment promotion and promotes the innovative concept and market concept. The second "2" means "providing services in two aspects", that is, serving the internal member units of the Group and the external civil aviation units. It works to build a new pattern of investment promotion based on serving the internal unit investment business, while the internal and external markets learn from each other and are mutually reinforcing.