Central air conditioner, automatic fire alarm, closedcircuitTV watching system, communication network, public broadcasting and cable TV are all available in the exhibition hall.
展览大厅配有中央空调、自动火警、闭路电视、通讯网络、广播和有线电视。
2
The part of the light current mainly including: CATV, Public Broadcasting System, ClosedCircuit Monitoring TV and Premises Distribution System and so on.
弱电部分主要内容包括：有线电视、公共广播系统及综合布线系统的设计。
3
The company also engages in research and development of multi-media closed-circuit-television teaching system, multimedia classroom equipment and cable TV system for education industry.