Kyoritsu Airtech (協立エアテック株式会社)

Kyoritsu Airtech is a Fukuoka-based specialist manufacturer of air-conditioning and fire-protection dampers. It began producing 防排煙ダンパー (smoke-control and fire dampers) in 1973, and its company history records that it obtained a 日本建築センター (BCJ) 防災性能評定 in February 1977. It also makes air outlets and fan units for buildings and runs its own technical research laboratory, with 11 offices across Japan.