Internet service:

　　Company to sell products door-to-door, free installation, free training equipment maintenance maintenance personnel for the user. After-sales service response in a timely manner. One year warranty, two years free maintenance, life-long maintenance.

　　In order to solve the user trouble back at home, the company except to ensure after-sales service, also to carry out the old (old) devices to old change new business, all for the sake of users, the maximum to protect the interests of users.