Inquiry (采购产品): sound proofing mat. I own a small company that uses a dust collector which is very loud. I will be moving the company into a professional building that wont tolerate noise.I don't know what materials to use to sound proof the machine room,or just the one machine. **** Hidden Message ***** robert genaze 60561 Company: research design inc. E-mail: rgenaze@gmail.com **** Hidden Message ***** rgenaze@gmail.com