Polyester fiber acoustic panel, as one new kind of acoustic material for wall and ceiling finishes as well as office funiture.. which has many successful cases and get perfect feedback from customers.. Combine our accumulated perforation experience in gypsum board, we put this idea into poly board as well. it will take full use of original performance and bring new visual and sound reduction advantage...Till now, we have 6 kinds of perforation for choice, which bring new idea and solution to customers...