Fire channel locks, fire putting locks, fire alarm lock, fire emergency exit lock, fire safety door locks, fire escape locks, fire evacuation door locks, fire fire door, fire alarm lock for fire protection, fire linkage channel locks, fire linkage push lever lock, fire linkage emergency exit lock, fire linkage security locks, fire linkage escape lock, fire multifunction fire channel locks, a brief description of: different products have two kinds of imported and domestic, are products made good, functional role and imported products is the same , the price of domestic good! Definition of fire exits, and is not locked locked, but fears outsiders from intruding into, so security and fire gave rise to conflicts, how to resolve this contradiction that? Invented the fire channel locks to solve this problem, the existing fire channel locks early centuries of history of use in Europe, belonging to mechanical locks, is to use the emergency exits, emergency exits, evacuation door in an emergency evacuation personnel to promote this lock you can escape to achieve the purpose of escape, and consistent with the provisions of the fire, the outside people are not free to enter. Security and fire correct. Some imported products the mechanical part is backward, simple mechanical structure complex, zinc castings! In a strong push prone to damage, no end of trouble, due to the lock industry in the channel lock industry later than Western countries. So now the rapid development of product features is far better than the U.S. product! Use fire channel locks as simple as possible! ! !