2025.8.29
JOURNALAir flow in the shelter｜How to get fresh air?
2025.8.29
JOURNALWhat is the CBRNE Disaster? Japan is no stranger to this threat
2025.8.29
JOURNALHow to prevent odors in shelters? Stress Causes of Evacuation Life
2025.8.29
JOURNALWhy do we need nuclear shelters now? Risks in the Global Situation
2025.8.29
JOURNALEmergency Power Supply and Ventilation System: What is a design that can operate even during a power outage?
2025.8.27
JOURNALFirst of its kind in Japan! Ventilation system for shelters manufactured in Japan
2025.8.26
NEWSInterviewed by a Hokkaido TV station.
2025.8.6
NEWSWe will exhibit our products at "TADTE" in Taiwan from 9/18(Thu) to 9/20(Sat).
2025.8.6
NEWSWe will exhibit at SEECAT (Special Equipment Exhibition for Anti-Terrorism) from Oct. 1(Wed.) to Oct. 3(Fri.).
2025.7.23
NEWSVentilation system "AT Barrier" was featured in Nihon Keizai Shimbun
2025.4.7
NEWSThe launch of "AT Barrier 150" was introduced at the Japan Nuclear Shelter Association.
2025.4.3
NEWSAnnounced a press release announcing the April 1 sales launch of the AT Barrier 150 ventilation system for shelters.