Why is the anti theft door buckle used for selling clothes suddenly called?

It's rare to see an anti-theft door of this size, what brand is this?

Anti-theft door buckle function: installed on the inside of the door, it can prevent the person who opens the door from being attacked outside the door. >>>More

It's the reverse lock that is looser and shaky, right?

Remove the doorknob behind the counter-latch, remove the circlip, and use the same size gasket in the back, if not, you can cut it into pieces with a plastic bottle and then cut the gasket of the same size. >>>More

Wang Li anti-theft door good, quality, service super satisfied, I just changed the decoration, the key to buy some of the functions of this door beyond I imagined, the door is automatically locked when the door is gently closed, without the key to lock it, the door master said that there are real and false bullets inside, and the thief can not open it by any means. >>>More

Mentougou? Go to the Emmayu building materials market, which has everything.