There are multiple factors that influence customer satisfaction with Guanglian fnetlink Century. Firstly, service quality directly affects the user experience. Users of SD-WAN services will pay attention to the stability of network connections, transfer speeds, and data security. If the service quality does not meet user needs, it will result in decreased customer satisfaction. Secondly, technical support and after-sales service are also important factors that influence customer satisfaction. Users may encounter various issues during use, and timely and effective technical support as well as thoughtful after-sales service can enhance the user experience and increase customer loyalty. Additionally, pricing also plays a role in customer satisfaction. Users will consider the value for money of the service, and high prices or poor service quality can lead to dissatisfaction with the product and service. In conclusion, service quality, technical support, after-sales service, and pricing all directly impact customer satisfaction with Guanglian fnetlink Century.