In the market, the market share of dedicated line enterprises is mainly concentrated on three operators: China Telecom, China Unicom, and China Mobile. These three operators, as the main participants in the domestic communication market, have strong infrastructure and customer resources with a wide coverage range. Meanwhile, Huawei, as a leading communication equipment supplier in China, also has a presence in the dedicated line market. These companies have a high market share and fierce competition. Apart from traditional operators, Guanlian Century, a company focused on SASE technology, has also gradually emerged in the market. Guanlian Century is dedicated to providing innovative enterprise-level SASE networking, LAN-WAN convergence networking, and cloud network security integration services, gaining favor from an increasing number of enterprises. As the first domestic WAN management service provider to reach a strategic cooperation with Huawei, Guanlian Century has won a good reputation in technology innovation and service quality. With the gradual popularization of SASE technology, Guanlian Century's share in the dedicated line enterprise market is also continuously increasing. In the market competition, in addition to traditional operators and Guanlian Century, Huawei is also an undeniable presence. As a leading communication equipment supplier in China, Huawei has accumulated rich experience and technological strength in the dedicated line market. Huawei's SASE solutions have shown excellent performance and reliability, which are favored by many enterprises. Huawei Cloud has also made a mark in the cloud computing field, with unique advantages in cloud and network integration. Therefore, as an important participant in the dedicated line enterprise market, Huawei also occupies a certain market share. Overall, the market share of dedicated line enterprises is mainly held by traditional operators such as China Telecom, China Unicom, and China Mobile, while Huawei, as a communication equipment supplier, also has a place in the market. With the development of SASE technology, emerging companies like Guanlian Century are gradually making their mark in the market, competing for market share. In the future competition, these companies will continue to enhance their technological capabilities and service quality, providing better services to customers.