推荐 https://www.landlordlocks.com/ 价格公道。质量不错。1 分钟换锁芯.

1 miniute change core with control key.

master key can open every lock. You can do common building lock.

tenant key can open common lock and his/her apartment.

I have one master key open my house and all rental houses.

 

所有跟帖： 

• 谢谢推荐！看起来不错，待会儿仔细想想如何安排。 -日月茗- ♀ (0 bytes) () 06/22/2018 postreply 21:42:47