Dedicated line companies typically offer common services such as network construction and maintenance, dedicated line access, data center hosting, cloud computing services, and security services. Network construction and maintenance is one of the core services provided by dedicated line companies, which includes network planning and design, equipment selection, network deployment, and daily maintenance to ensure the stable and efficient operation of enterprise networks. Dedicated line access service is an important service provided by dedicated line companies to establish dedicated line connections, enabling high-speed and stable network connections between enterprise offices, data centers, and cloud service providers to ensure secure and stable data transmission. Data center hosting is a cloud service infrastructure service provided by dedicated line companies, where enterprises can place servers, storage devices, and other equipment in the dedicated line company's data center to benefit from high-speed networks, stable power supply, and a secure environment to enhance the security and reliability of data storage and applications.