Brand:Haofeng perforated metal factory
Quantity:8000
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(Contact E-mail:punchinghole@yahoo.com)(MSN:cii.lee@hotmail.com)
Micro hole perforated metal is a device used to absorb sound, reducing its intensity. It consists of a thin flat plate, made from one of several different materials, with small holes punched in it. Micro perforated metal offers an alternative to traditional sound absorbers made from porous materials.
