Overview of solutionsIntegrated underground city pipe gallery One tunnel is constructed underground in city to integrate electric power, communication, fuel gas...
Overview of solutionsThe combustible toxic gas alarm is also known as gas leakage detection alarm. It is a preventive alarm in the regional gas leakage safety m...
Overview of solutionsBecause the highway tunnel is of closed space, heavy traffic and poor escape and rescue conditions, the consequence will be extremely serio...
Overview of solutionsWith the popularity of private car and underground garage, the poisoning incident caused by carbon monoxide (CO) occurs frequently. The und...