Sinnet provide comprehensive Internet application solutions for users based on Internet access. From the establishment of basic communication network to the provision of complete application content, and constantly promote informatization and automation in users’ business. Sinnet proposes a Internet-integrated solution for SME users, and effectively reduces the lost caused to users due to the poor coordination between different service providers by a complete set of services from infrastructure to high-end applications. And it also makes the different levels of services run smoothly, so that the entire system act as a whole to produce benefits and protect users' investments. Moreover, it reduces the management costs of the users in the system operation in the future.