In recent years, people need to lock the door a category B, improve household anti-theft security | |

Is theft by the end of the period, especially during the lunar New Year holiday, family stolen greatly increased risk. Yesterday, the China consumer association issued A consumer warning, conditional consumers should lock lock from A level upgrade as soon as possible into B class lock, improve household anti-theft security. Door lock is used B anti-theft lock core, you can choose to improve the security performance of household in many second and third tier urban residence, guard against theft is equipped with many cross lock, but these cross lock locksmith in 5 seconds. We have learned, & other; One word & throughout; And & other Cross & throughout; Such A level lock anti-theft ability is weak, they can be basically tin foil lock & other; Seconds kill & throughout; , and there are double row ball groove B class lock, tin foil lock technology couldn't open it. The public security department issued GA/T73 - in 1994 94 'mechanical anti-theft lock' standard regulation. Anti-theft door lock is divided into three levels, and A level lock class B and class C lock lock. Specific criteria are as follows: A: technical open: not less than 1 minute, open devastating: not less than 15 minutes at present A level anti-theft lock key on market basically has A key word keys and cross. Internal structure is very simple, grade A lock core is limited to the change of the marbles, billiard groove less and shallow. The technical open time within 1 minute, mutual opening rate is extremely high. Billiard structure for single row marbles or cross lock. B: technical open: not less than five minutes, open devastating: B class lock key is not less than 30 minutes flat key, A double row ball groove, unlike A grade lock is key to face more than A row of winding irregular lines. Three, lock the main type of computer double row lock, double row crescent lock, double-sided Ye Piansuo core. The technical open time 5 minutes, mutual opening rate is high. Through strong torsion tools, one minute can open the lock. C level, technical open: not less than 270 minutes keys within a single blade shape of outside groove groove or keys, lock type for the side column lock core. By the Ministry of Public Security testing 270 minutes can't open, regional mutual opening rate is zero, One over sixteen million) 。 Billiard structure of double-row blades with v-shaped side column locking; If with a strong tool to open the lock, lock the internal damage, explosive lock, lead to can't open it. The public security authorities so far have no class C theft case. Customer service: if you are interested in the above core keywords products or have any questions, please click on the online customer service, contact us page, or call: smart door lock & ndash; — You close the way of purchasing consultant. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Editor: intelligent locks - Network consultant LTD. All rights reserved: ( Smart door lock reprint please indicate the source)
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