HaiSheng co***ny with South Korea join venture specializes in audio frequency disposal. We develop and produce the equipment of amplifiers. The main products are as follows: Digital Conference System, Digital Frequency Shift Amplifiers for Teaching, Long distance Network Conference System, Simultaneous Interpretation System and Microphone for Conference and Special Purpose.
Haisheng co***ny has been dedicating to producing professional audio frequency equipment for conference and teaching. Our produc...
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