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Anonymous users2024-01-24Rivets are also called rivets, most of which are aluminum (aluminum alloy) products, and there are also stainless steel products.
Concave lenses. The concave lens is a virtual image with upright and shrinking regardless of the distance. It is mounted on the outside of the door. >>>More
That's an infrared ray, and as soon as an object touches it, it will give an alarm.
The patterns on the anti-theft door are pressed out of the mold, and the deep lattice is that the surface of the anti-theft door is very deep, which is the process that has come out in the past two years, and the price is a little more expensive than before. The main thing is that it looks good, and it has nothing to do with anything else. Hope you are satisfied.
Homophonic to avoid trouble, good luck.
It is the meaning of the national standard, where there is a —...... with GBMost of the products are in line with the corresponding national standards of the product, but this thing can basically pass after paying the money, as long as there is not too much insecurity.