Precast concrete conduits for power cables are core prefabricated auxiliary components in State Grid underground power cable engineering projects. They are manufactured in factories using standardized processes, with concrete as the main material and a steel reinforcement cage. The conduit structure is dense, offering compressive strength, corrosion resistance, and excellent impermeability. They provide reliable protection for underground power cables, effectively preventing problems such as external compression, soil corrosion, and rainwater immersion. These products come in a full range of specifications, comply with State Grid power engineering construction standards, are easy to install, and are suitable for various geological conditions. They are widely used in underground power cable deployment scenarios such as urban and rural power grids and municipal power supporting facilities.