Our products will be more reliable and more convenient with standard and internationalization . they are widely used by numerous departments , corporation and university in their public - address systems for conference and teaching in china as well as aboard . they have been received with superior capability and steady results
2.
The public broadcast system which is called public - address system is called pa system for short . it is an important method to propagate the real - time information in a certain space . it is primarily used for the airports , train stations , bus stations , stadiums and the large supermarkets
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