... room wall, and plant, and other noise source noise noise with sound-absorbing board, can be used for the building of the ... used in the mechanical equipment shield, luxuriant sound box nets cover, food, feed, mine with grinding sieve, ore sieve, strander screen, ... Mesh is widely used in the electronics industry, such as sound of dustproof enclosures, etc. Stainless steel. Galvanized sheet round hole ...