
- Examination hall in Hubei
province used 800 sets of DX-102
type. - Examination hall in Shanxi
province used 720 DX-102 type. - Each examination hall in Jining
city Shandong province - Jails in Nanchang city Jiangxi
province - Each examination hall of Jilin
province - detention houses supervision
houses and prisons in cities and
counties of Guangdong Public
Security Bureau - Detention houses of Shenzhen
Public Security Bureau

Shenzhen Hanllow science and technology limited company (namely the primary Shenzhen Daxin communication technology limited company) is a high-tech business enterprise mainly engaging in research, produce and sale of communication device, which is approved by the high-tech leading office of Shenzhen Municipal Government.
The company was established in March, 2000.Now, there are more than 100 staff members,80% of which have education for high school or above, we have strong technology power. The self-developed cellular phone signal shielding device in 2002 can effectively shield the microwave signal between the launching pad and the mobile phone, which is widely used in various places ,such as? the Army, examination house、gas station, cinema and chamber. ..........





