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                                                Kinds of product | 
                                            
                                            
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                                                1. Sound-proofing Room | 
                                            
                                            
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                                                In constructing sound-proofing facilities in a building, | 
                                            
                                            
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                                                sound-absorbing and insulating materials should be | 
                                            
                                            
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                                                applied to the wall. Room noise is then remarkably | 
                                            
                                            
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                                                reduced, and the noise to leak out is minimized, thus | 
                                            
                                            
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                                                almost completely preventing neighboring buildings from | 
                                            
                                            
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                                                noise pollution. Sound-proofing is possible without | 
                                            
                                            
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                                                revising the existing frames, while a good apperance is | 
                                            
                                            
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                                                ensured as well as superior heat insulation, the sound- | 
                                            
                                            
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                                                absorbing material is nonflammable owing to inorganic | 
                                            
                                            
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                                                property. | 
                                            
                                            
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                                                2. Sound-proofing Box | 
                                            
                                            
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                                                Being used for treating the source of noise, sound | 
                                            
                                            
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                                                proofing box reduces the sound transmission. By | 
                                            
                                            
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                                                reducing the noise in the interior side of the box as | 
                                            
                                            
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                                                well as noise from exterior side, the product improves | 
                                            
                                            
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                                                working enviroment. With a smart structure, it uses | 
                                            
                                            
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                                                sound-absorbing, sound-insulating materials having | 
                                            
                                            
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                                                good effects of water-proof, heat-insulating and | 
                                            
                                            
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                                                moisture-proofness. | 
                                            
                                            
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                                                - Compressor | 
                                            
                                            
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                                                - Generator | 
                                            
                                            
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                                                - High Speed Press Machine | 
                                            
                                            
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                                                - Lab, Offices in Factory | 
                                            
                                            
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                                                - Semiconduct Industry, Electronic Industry | 
                                            
                                            
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                                                - Product line Sound Cutting-off Room |