Aluminum alloy is the general term for aluminum-based alloys. The main alloying elements are copper, silicon, magnesium, zinc, and manganese, and the secondary alloying elements are nickel, iron, titanium, chromium, lithium and so on. Aluminum alloy is the most widely used non-ferrous metal structur... read more
Many people are asking, the door handle on the outside of the door fell off, and the screws on the outside handle were loose. How to install it at this time? Do I have to remove it from the inside to install it? Waiting for the problem, these seemingly simple life problems or common sense of life, i... read more
In our lives, we use the lock cylinder improperly to cause its damage. I believe that many of our friends have encountered the situation that the door cannot be opened, that is, the lock cylinder does not match the key, or it is rusted. Today I want to share with you the reasons for the damage and t... read more
The door handle can also be called a door handle, which is a kind of door handle tool often used in our lives. There are many types of door handles in homes, hotels and other places where doors can be used, and the materials used in each place are different. 1. Glass door handle Use place: Mainly in... read more
Consumers often care about the style and price of anti-theft doors, but ignore the essence of anti-theft doors. The lock core is the soul of the anti-theft door lock. There are many types of anti-theft door locks, but there is only one lock core. If it is picked, all the lock points can be opened. T... read more