In the period of safeguard responsibility，we will according to the request of contract improve Technical support services to ensure normal operation of Kingdon product.

1、Software firewall consumer

Customer can enjoy life-time free upgrade and safeguard service.
You may change the IP arbitrarily under the condition . but must ensure one in two fixed hardware information constant after firewall installed.

2、Hardware firewall consumer（Warranty period）

100 megabit one year
1000 gigabit three year

Free software technology support and attendance service would be provided in warranty period, the warranty period to calculate from Kingdon product be accepted.

Notice: if consumer privately open hardware products we would not provid any service and attendance.