Perforated metal sound-absorbing ceiling and roof consisting of one of the sound absorption structure, has a strong sense of the whole, the characteristics of beautiful appearance, wide absorption band, especially acoustical ceilings and ceiling between large cavity of the low-frequency absorption effect is ideal. The absorption wall is a sound absorption structure which is composed of a wall. It has a strong sense of integrity, and the appearance of luxury, has a broad absorption band, especially for low frequency environment noise performance. Metal sound-absorbing perforated plate is a metal coil in accordance with certain pore size and density of perforation, then after pressed into various shapes of metallic materials, mainly used for movie theaters, stadiums, library of silencing requires higher places of roof and floor. Our company can according to customer requirements of various customized sound-absorbing, aperture and density of sound-absorbing perforated plate.

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