A prison in Hubei uses a series of sound system products to warn and shout

Xingyu electronic acoustic remote strong sound system in counter-terrorism forces a SWAT combat outstanding stability

A Xinjiang rape planting base for farm injury prevention by Xingyu electronic remote strong sound orientation system

U.S. diplomats in Cuba or encounter mysterious

The third military and civilian integration development exhibition of hi-tech equipment opened in Beijing

To the development of civil military integration focus on key areas to promote the overall level of lifting force