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About Us
U.S.A,mashi Acoustic Technology Group(China)Ltd is a professional hi-tech company engaged in the voice-frequency PA systems,which includes research,poduction,sales and the professional PA system� design,adjustment and installation.
The predecessor of the American mashi Company was mainly a hi-tech company which has solved the voice-frequency interference problems for American spaceflight and aviation career andachieved remarkable success.Untill now,the company has been set up for over50 ...
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