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Speaker system manufacturing department was founded in 1997. After more than 10 years develop-ment, now there are 4 production workshops, consisting of 9 large-scale system assembly lines, 3 lines for crossover production, 8 sets of automatic wire-twist machine. There are 400 employees in this department and 18 of them are skillful management staffs. The monthly production can be up to 100,000 pcs and the main products are high-end automotive speakers, In wall speaker, in ceiling speakers, home theater,and outdoor speakers.