Database operations services: ORACLE database maintenance;

    The database host operational services: including IBM， HP， SUN small machine maintenance;

    Data storage operations services: including IBM， HP， SUN storage equipment maintenance;

    Data backup system operational services: including IBM， HP， VRITAS maintenance;

    Application service system operational services: including the application server， load balancing and other maintenance;

      Network operations services: such as switching， routing maintenance;

    Network security system operational services: including firewall， IDS， IPS and other maintenance;

    Assessment of network security service: including vulnerability scanning， host audit， etc.;

    Network management system of operational services: including virus management， access control and maintenance;

    Network application system operational services: including video conference system， network monitoring systems， maintenance of VPN applications.