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The previous set was either out of stock, or Mo is to reduce costs, and it is good to do it at one time.
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So what's there is just don't want it.
There are often some burglary cases in the news, so the home security system must be done well, and the security door is a very important part of the security system, with the security door can increase the sense of security. The lock of the anti-theft door is the key, and the lock of the anti-theft door is one of the components that often fail, the lock of the anti-theft door is broken, and the lock does not need to be changed directly. So, how much is a lock for an anti-theft door? >>>More
Pan Pan is better, the lock cylinder of the Star and Moon God is still nothing special.
The heat is long and the cold shrinks, and when it is hot, something becomes larger and blocked, mainly look at the heaven and earth lock.
The safety gate is also known as the speed gate (wing gate), swing gate, revolving door, three-roller gate, and the English name is ADALO. >>>More
The price of different lock cylinders is also different, ranging from 60 to 120, and you can change it yourself when you buy it.