security doors are available in every family, but have friends ever encountered such a sad reminder? When we got home, we found that we forgot to bring our keys. This is what we need to master, and we will introduce you the skills of opening security doors, and the brands of security doors, hoping to help you.

1. What are the skills of unlocking the anti-theft door lock

1. When unlocking, take out a set of unlocking tools, including a small box filled with tin foil, which is used to unlock the door. This method is relatively common, and it can be used by locksmiths and thieves.

2. When unlocking, first insert one end of the master key into the Class B lock cylinder, and then knock the other end of the key with a hammer. In the process of knocking, try to twist the master key to unlock.

3. Before unlocking, the first thing we need to do is to make a rectangular plastic card, and then insert this card into the gap between the door and the door frame, and then slide down to the position where the lock tongue is, and finally open the door smoothly.

4. It is the easiest way to unlock the lock by stuffing the chewing gum into the lock hole, then using tools to push the softened chewing gum into the lock hole, and finally inserting tools into the lock core to open the lock.

2. What are the brands of security doors

1. Wang Li Group Co., Ltd., a famous trademark in Zhejiang Province, was established in 1996. It is a large group company integrating scientific research, design, manufacturing, sales and service. 2. Buyang Group was established in 1992. After more than ten years of continuous efforts, The group now covers an area of 45, square meters, with more than 5, employees and 11 internationally advanced modern door production lines.

3. Zhejiang Xingyue Door Industry Co., Ltd. was established in 21, relying on Xingyue Group, and its headquarters is in Yongkang City, Zhejiang Province, the "China Door Capital". The company integrates R&D, design, manufacturing, marketing and service, with manufacturing bases in Zhejiang, Guangdong and Chengdu. With the highest goal of becoming the leading brand of building door opening system in China and promoting the development of supporting services in China, we focus on the deep needs of customers in the real estate industry, and take the lead in developing and manufacturing precision molds, high-end door locks and hardware fittings in the industry.

through the above articles, have you learned about the skills of opening anti-theft door locks and the brands of anti-theft doors? I believe friends will have mastered some knowledge of opening anti-theft door locks.