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So far, the electro-acoustic devices professional production enterprise more than about 1000 and a research institute - - China electronics technology group TV electro-acoustic research. In electro-acoustic devices in the Enterprise Production speaker manufacturers account for a large part, the smal

So far, the national electroacoustics component specialized production enterprise approximately has more than 1000 and research institute - - China Electronic technology Group Television Electroacoustics Research institute.The speaker manufacturer occupies the majority in the electroacoustical compo

To date, national electro-acoustic devices approximately more than 1000 companies and a Research Institute specializing in the production of Enterprise--Institute of China electronic technology group TV electro-acoustic. Electro-acoustic devices speaker manufacturers accounted for majority of the pr