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There must be someone who is looking for a seller, or you have a sample to find something that can be used in the market, but it is not so easy to use. Pay attention to the size and dimensions. There are also locks.
Anti-theft door after-sales 010-62999441
No. Because the hinges are all made of steel, it doesn't matter if you hang 20 pounds of things. I hope my answer can help you.
It should be the static electricity generated, it may also be where to contact the power supply, this has to check the circuit near the door at home, if it is static electricity, it doesn't matter, just take a metal and touch the surface of the door back and forth, otherwise you can also tie a chain on the door to the ground and contact, like a car holding the chain, I hope it can help you, and I hope to adopt it.
You can unload this and get it to the place where you sell the standard parts to match, and you can also match it in the place where the lock is sold.
Hello, you can go to your city's hardware and building materials stores, home building materials stores, and the Internet to see, you should be able to find information about the sale of electronic lights for security door handles.