Locks have a long history. Locks almost came out with private ownership at the same time. According to verification of unearthed cultural relics and record on historical...
When people choose locks, they are worried about that locks have poor durability or the surface of locks is rust or corroded even if the locks are used for a short...
Here are some the required things in the process of lock polishing: (1) Nitrate: serves for passivating and polishing. It directly affects the polishing speed and...
The lock users may find that the dead lock phenomenon sometimes occurs, but it doesn't happen in the use of carbon steel set. Is it because stainless steel...
Most people have no idea that lock needs to be maintained. Generally, when the lock doesn't work out, they choose to change a new one. In fact, the service...
According to different standards, locks can be divided into different types. First, according to the types of lock: 1. Padlock: divided into copper padlock, iron...
When choosing lockset, people are often worried about that locks are not durable or soon rust and oxidize on the surface. This problem can directly influence the...
This technical article introduces some general knowledge of door locks, including its category, selection matters and install methods. Categories 1. Anti-theft...
Reasons for hardware breakdown: Incorrect hardware accessories, which brings to poor quality; there is no metal plate at the fastening, which results in poor installation...
With the rapid development of pillar industries, such as house, car, high-grade office buildings and hotels etc., and national defense, public security, finance...