How to choose a door lock?

Good door locks are really expensive. Is it necessary? What should be done to choose the door lock?Expert guidance: If you choose the door lock, then its anti-theft performance requirements are relati...

2017-10-24

Optional security door

Security LevelMany merchants said when buying a security door: "Our security door is B-class." What is the A and B level of the security door?The security level of the security door is gener...

2017-10-24

Anti-theft lock main technical indicators

Test itemClass A (national standard)Class B (national standard)More than Class B (Enterprise Standard)Anti-theft door resists abnormal opening time15min 30min30minAnti-drilling damage time15min30min30...

2017-10-24

Improve marketing power China lock brand starts from itself

In the lock market, if Chinese lock brands want to achieve better development, they must constantly improve their comprehensive quality and enhance the internal strength of their products. In the mark...

2017-10-24