Equipped with anti-theft lock, in a certain period of time can resist abnormal opening under certain conditions, with certain security performance, and comply with the corresponding security level of the door.
The name of security door is "burglarproof safety door"". It combines anti-theft and safety performance. In accordance with the provisions of the "general technical conditions" anti-theft security door, anti-theft door qualified in 15 minutes using chisels, screwdrivers, crowbars and other common hand tools and electric drill and other portable electric tools can not be pried open or opening a 615 mm square on the door, in the opening or locking point 150 mm square semicircle open a 38 square millimeter.
And the lock used on the security door must be a special lock for the security door, which is checked by the public security department's testing center and has the function of anti drilling. The anti-theft door can be made of different materials, but only up to standard test qualified to receive the door to prevent the production permit security called anti-theft door.