Firefighting equipment inspection Firefighting equipment inspections must be conducted once every six months and the results must be reported to the fire department on a regular basis . We have more than 40 years of experience and provide the best maintenance with advanced expertise and technology . Intercom renewal work Did you know that intercoms also have a limited lifespan? A guideline is 10 years for general housing and 15 years for apartments. If it breaks down, it will take time to repair it. We recommend early replacement before any trouble occurs. Security camera installation work Do you know the role of security cameras? It's not just about recording intruders. By eliminating the blind spot, a crime deterrent effect also occurs. Sale of residential fire alarms You are obliged to install a residential fire alarm, but is your building installed? We sell Hochiki residential fire alarms. If requested, we will also install it. Terrestrial digital antenna construction Analog broadcasting has ended, and it has become terrestrial digital broadcasting. If you can't watch TV, we will undertake all the antenna installation work. Please feel free to contact us. home Message from the President Corporate philosophy Company Profile IR information Business information Firefighting equipment inspection Intercom renewal work Security camera installation work Sale of residential fire alarms Terrestrial digital antenna construction Contact Us privacy policy Hochiki Corporation TOA Corp. Aiphone Japan Disaster Prevention Equipment Cooperative 2-14-6 Tomigaya, Shibuya-ku, Tokyo 151-0063, Tokyo → Click here for the map Copyright (c) 2008-2021 Nippoubousai Inc.