How to choose a door and window lock?
Whether the locks of doors and windows are strong and durable often plays an important role in home safety. Therefore, consumers should naturally keep more “eyes” during the purchase process, and be careful to purchase inferior products. Here are a few suggestions for you to buy:
1. It is recommended to choose enterprise products with high reputation, stable quality and good after-sales service, which can save consumers a lot of worries;
2. Check whether the logo and logo of the purchased product are complete (including the product's implementation standards, grades, manufacturer's name, address, production date). Whether the package is firm, the contents of the manual are consistent with the product, and the precautions are exaggerated and factual. Inconsistent phenomenon;
3. Observe the appearance quality of the product, including the lock head, lock body, lock tongue, handle and cover plate parts and related accessories. Is the surface color of the plated parts and painted parts bright and uniform, with or without signs of rust and oxidation? And other damages;
4. Check whether the product use function is reliable and flexible. Two or more products should be selected for comparison check. In particular, when purchasing a two-way lock product, the inner and outer locks must be tested and switched with all the keys. You should also check the insurance organization of the product. It is recommended to try each lock at least three times.
5, check the key of the key, such as five key teeth, each key should have not less than three different key teeth, while the first and fifth teeth should try not to choose the deepest key, which is also beneficial The key is inserted and removed and is not easy to break.