Hankooktire geumsan factory
HankooktireManufacture and installation of silencer forPohang Oxygen plant 3,4 units
PoscoShuweihat S2 Noise Measurement and Precision Diagnosis Service
DoosanenerbilityConstruction of Lotte Mart at Buwon Station, Gimhae
Lotte E&CHyundai Kia Namyang Laboratory Noise and Vibration Reduction Corporation
Hyundai AmcoManufacture and Installation of Silencer for Industrial Vent Stack
Korea Gas CorporationConstruction of Songdo International Office Business Facilities
Daewoo E&CNoise Control Services and Noise Reduction Facilities Construction for Yangju Cogeneration Plant
Korea District Heating CorporationEnergy Business Construction Corporation
HJ Shipbuilding & ConstructionConstruction of YTN Media Center
Seohee ConstructionNoise reduction work for cooling tower of Paju Combined Heat and Power Plant
Korea District Heating CorporationConstruction of Osong Station on the Gyeongbu High-Speed Railway
HJ Shipbuilding & Construction