Profile: Allied Fire Alarms & Escapes Co. Ltd. is a provider of fire alarm systems and equipments. We have designed our product line with products such as fire alarm system, smoke detectors, door retainers, control panels, pagers, panic bolts, fire extinguishers, gas flooding systems and steel fire escape stairs. Our ionization smoke detector consists of two chambers open, outer chamber and a semi-sealed reference chamber. A Iow activity radioactive foil is mounted in the reference chamber which enables current to flow between the inner and outer chambers when the detector is powered up. On the other side we have optical smoke detectors which is incorporated with a pulsing LED, located in a labyrinth within the housing of the detector. The labyrinth is designed to exclude light from any external source. Our control panels have properties like extensive mode change options, PC software package with upload/download facility, networkable with graphics package network and membrane fascia with tactile switches.