Aluminum foam used in factories and stadium sound-absorbing material in the aluminum foam

National University of aluminum foam in Jinjoo theater indoor Engineering

Aluminum foam used in substations and commercial street wall of sound-absorbing aluminum foam board
Seoul Subway Line 1, Dodong central substation soundproof foam aluminum project

Dogok fitness building and Samsung building roof and outside walls of sound-absorbing aluminum foam board

Line 3 Hanshin Expressway viaduct bottom acoustic panels, acoustic, Tokyo platinum wall of the tunnel