Explore the face of consumer purchase, often engage in anti-theft door heard a number of promotions in the manufacturers and merchants boast, boast of their city's security door from top to bottom about how much each of the number of locks,笃定"000 Fumo open." If that is the case «anti-theft locks, the more anti-theft more»
In fact, as early as 1998 China had promulgated a development related to national security door mandatory safety standards and mechanical security door locks of the provisions of the need to achieve class A or class B two standards, A-level for the general protection level, B-class High level of protection. But businessmen in the promotion Yao He, often locks on its own products word about the level of protection, only that he points to how the lock, which is in fact the intention to confuse the security door locks, and these two completely different Suoxin Concept.
4 lock enough points
Security door lock point is the role of Tamper, but the real point telescopic hoist control of the lock is Suoxin, anti-theft locks any more points, but only one Suoxin always, as long as Suoxin once they are opened, all the统统lock point will be opened, so the security door to the terms of purchase, pay attention to anti-theft lock Suoxin quality is good or bad, is the key. Suoxin is the core of anti-theft locks, generally speaking, the security door has a lock around from top to bottom, that is, in fact, four lock is enough.
Abuse of poor-quality locks
Numerous nominal "security door" is easily "fell", and manufacturers often have to save the cost of production and abuse of a number of low prices caused by poor-quality locks, the majority of anti-theft doors to the community low-cost manufacturing enterprises to the procurement Locks, lock the plate many do not comply with national quality standards, and some even simply not steel, imitation is used in imitation of steel or cast iron plate of low-grade material, let alone Tamper, and some external forces that could be a plus Bai Open.
Some anti-theft door manufacturing plant and even the use of the morning national standards expressly prohibited extremely vulnerable to thieves to open the single-row Billiard lock.
Locks grading standards
Lock more than one point, it is often the rising price, is in fact not lock the price point more expensive anti-theft door is a good resource, when Mo forget to buy promotional manufacturers clearly in vain to provide a security door locks used in the grading standards, This is the most important thing is.
