At the end of 2002, Di-an entered Wlan-diagnosing field and occupied
leader position in China. From now on, its customer can depend on its
integrated solutions including Wlan safy checking, supervising, and
management services.

Di-an means to offer a free wireless network testing project in an early time in 2003. The project will last one month.

Di-an becomes leader of Wlan-checking business in China.