Professional chip-level maintenance) I. Maintenance: 1. Router: CISCO series, Huawei, H3C, Ruijie other gateway routing. 2. Switches: CISCO, 3COM, Huawei, H3C, and other high-end brands. 3. Firewall: CISCO, H3C, Netscreen, Juniper, Talent, LeadSec like. 4. Wireless equipment: PROXIM, AVAVY, LUCENT, CISCO, INTERL, D-link, and other wireless AP, bridge, card. 5. Load balancing: F5 Networks, Redware, SINFOR like. 6. All kinds of high-end routers, switches, Optical, video encoders, video conferencing systems, wireless bridges, hubs, modules, and so on. 7. and provide enterprise networking products through third-party insurance renewal services. Available at lower cost than manufacturers enjoy the same service. Second, the maintenance cycle: general products within 2-5 working days, high-end products to determine the maintenance cycle according to the actual situation. Third, the maintenance of price: general charged the market price of 8--12%, the special consent of the client agrees fault during maintenance for the user free testing, maintenance is not good does not charge, such as maintenance of large price negotiable. Fourth, the warranty period: the same fault three months warranty.