main business products buzzer
Founded in 1977, set the major R & D and production as one. Main business products buzzer. Loudspeakers. Microphone. Headset. Current products, exported products meet the needs of different countries. Occupy a different service advantages.
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main business products buzzer
主营产品蜂鸣器
以上为机器翻译结果，长、整句建议使用 人工翻译 。