The quiet playground of Beijing Chengnan Central Primary School has been completed

The completion of Beijing Nancheng Central Primary School in 2022 has improved the noise pollution problem by installing targeted listening postdoctoral fellows.

Installation of playground walls

Installation of playground walls

Installation at a wall angle of 40 °

Installation at a wall angle of 40 °

As of now, we have installed hundreds of schools across the country and received widespread praise, completely solving the problem of school noise pollution!