In the field of construction engineering, the installation, maintenance, and upkeep of water pump equipment have a decisive impact on the progress and final quality of the entire project. However, due to the strong professionalism of this field, many owners and construction parties often feel confused when choosing service providers. How to determine whether a company has the corresponding professional capabilities? How to ensure their service quality and reputation? These issues have led to the emergence of service capability level certificates for water pump equipment installation, maintenance and repair enterprises.