021-67668298|中文 / EN
Hot News :
  • Microporous sound absorbing plate / circular hole composite sound absorption plate
    Microporous sound absorbing plate / circular hole composite sound absorption plate
    2018-06-26
    Micro perforated sound absorption board: Metal soundboard is an important part of metal noise barrier, mainly used for noise elimination and sound insulation. The structure is composed of metal plates (not limited to aluminum plates, galvanized steel sheets), and the panels, cavity and backboard formed by bending and bending. The panels are mainly circular holes, micro perforations, compound pinholes and blinds. The cavity is mainly filled with rock
    Look More