The structure of this picture is shutter and lacunal.

It has selected materials and innovative structure, with non-corrosion feature after exposing after installment. This kind of sound barrier is light weighted and non-deforming, can reduce the acoustic shield base and the strength of column. Excellent sound absorption effects, can satisfy the needs of various noise sensitivity; Convenient maintenance, non-fading, easy washing and change after damage.

Till now, this product has been used for the acoustic shield projects for railway, expressway, subway, and etc.

If you have any more question about this product, please feel free to link with us, thanks.