Shangshai Bolting Cloth was established for more than 20 years to produce filter mesh which is stable, the hole is even, the accuracy is high, the surface is smooth.

Used in all kinds of acoustic components products, such as mobile phones, tablet computers, MP3, navigation, automotive and audio, microphones, headphones, speakers and other acoustic products, also known as acoustic filter.

Aperture precision

Filtering mixing to improve acoustic quality

Dust and water proof

Auxiliary Damping Materials