Perforated plate is processed in a wide range of round, square, slotted, decorative and special shaped perforations from a numerous metal sheets. Also known as Perforated Metal, Perforated Panel. Percentage of Perforated Open Area: The most common percentage of open area is ...
Brief IntroductionEvergreen perforated sound-proof plate is sound-absorbing, fire-resistant and moisture-proof, thus it is very ideal for anyone who requires a quiet place. It gives out no toxic gas w http://www.eialchina.com ...