This article brings together the noise data of part of our inland ships, introduces the permissible standard of ship noise abroad, and tells of the various methods of controlling ship noise.

Abroad, she discovered that the transformation of music into noise was a planetary process by which mankind was entering the historical phase of total ugliness.

Products at home and abroad to absorb the essence of the same industry with safe, low-noise, low consumption, aesthetics, durability, easy installation, easy maintenance.