幸昭 Company Profile

Short delivery time and high performance!! Feel free to leave special shapes and original designs to us. Steel soundproof door "Guardian" with screw fastening is now on sale!!

Since its establishment in 1979, Koukou has been designing and manufacturing soundproofing devices for factory machinery, focusing on noise control in factories. In recent years, we have applied industrial soundproofing technology to create soundproof rooms for various musical instruments, home theaters, and other residential soundproofing projects, as well as soundproofing for businesses such as live houses, music studios, dance studios, and karaoke shops. We have also developed and sold our original soundproof doors, which have received positive feedback from customers nationwide due to their reasonable pricing. We can accommodate a wide range of needs, from professional use to hobbyist applications! For all your soundproofing needs, please consult Koukou!