The Shanghai beautiful sound acoustical engineering Limited company specialized is engaged in the noise control and the architectural acoustics design, the installment construction.

• 上海玉音声学工程有限公司专业从事噪音控制与建筑声学设计，安装施工。玉音声学工程致力于建筑声学空间设计，并提供声学材料和安装施工的专业公司。