What is the brand of indoor door lock?

- Apr 06, 2017 -

When purchasing a lock product, you should pay attention to the following 1. The product of high visibility, stable quality and good after-sales service. 2. First check the product packaging of the logo, the logo is complete (including product implementation standards, grades, production enterprise name, address, production date) packaging is firm, the description of the contents of the product is consistent with the fact that there is exaggerated and not to be inconsistent with the facts. 3. Observe the product appearance quality situation, including lock, lock body, lock tongue, hold hand and cover parts and related accessory is complete, plating parts, spray painting piece surface luster is bright, uniform, there is no rust, oxidation signs and breakage.

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