How to choose the door "iron general"
2025-10-06 08:29:44
In recent months, media reports and online discussions have highlighted that burglaries are still occurring in Liuzhou. Many of these incidents happen when residents are away from home or asleep late at night, with thieves using tools to force open doors and commit theft. As a result, more people are looking for door locks that offer better security. However, terms like Class A, Class B, and Super B locks can be confusing for the average consumer.
To help clarify this, the reporter spoke with two industry experts: Zhang Hongjun, a senior researcher at the China Unlocking Technology R&D Center and technical consultant for *China Locksmith* magazine, and Chen Zhijin, a seasoned locksmith with over 20 years of experience in Liuzhou. Both have extensive knowledge of different types of door locks and their security levels.
During the interview, they explained how to assess the quality of a lock based on its key design and mechanism. They emphasized that not all locks labeled as "Class B" are equally secure, and that understanding the key's structure is essential in determining a lock’s resistance to forced entry. Their insights provide valuable guidance for anyone looking to improve their home security.
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