Chinese Spring Festival is around the corner . To celebrate this traditional holiday , all people will go back home and enjoy their holiday from 7th , Feb. to 17th , Feb ,2021 . During that time , our company will be fully closed and will resume to work on 18th , Feb .
The first step when installing a PA system is to install an IP intercom. An IP intercom can be either manually operated or connected to an IP camera. In either case, you'll need a good speaker and an IP camera for your system to work properly. The best op
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Changsha SPON Communication Technology Co., LTD was established in 2004 with over 20000 Square meter workplace . It is a national high-tech enterprise which has own core intellectual property and innovative research & development capabilities. We have rich experience in IP video and audio products and PA system products.