Hebei Nuo'an Technology Co,.Ltd is a Chinese company that manufactures emergency escape breathing devices (EEBD). The EEBD model NA-AR-01 is an 8.5kg portable air supply that stores over 400L of air to last 10+ minutes, allowing personal escape from dangerous environments filled with smoke or lacking oxygen. Details include a compressed air cylinder, pressure reducing valve, pressure gauge, air hose, and flame-resistant head-covering hood. The EEBD has CCS and EC/MED approval and is available for $180-260 FOB China.