The reporter then accompanied Ms. Yang to the Yuanjiagang storefront selling the brand of security doors, and contacted Manager Gong from the Yangjiaping after-sales service center for this brand. He introduced that in the early stages of hyperthyroidism, under mass production, there could be overlapping serration patterns on the keys of the security doors. Although the overlap rate is extremely low, there is indeed a chance that the mechanical lock cores of the security doors can open each other. "We will send workers to check the lock core as soon as possible. If any impact is caused by this reason, we will replace it immediately," Gong stated.
As the saying goes, "A key fits one lock." However, Mr. Kang from the Daping Modern Building in Yuzhong District now finds it hard to agree with this statement. A few days ago at midnight, he accidentally went to the wrong floor when returning home and unexpectedly opened his neighbor's door with his own house key, almost causing a misunderstanding... "Is there a quality issue with the security door?" Yesterday, Mr. Kang sought help from our newspaper hotline.
How could Mr. Kang's house key open Ms. Yang's security door?
Mr. Kang recalled that his security door was purchased six years ago, while Ms. Yang's security door happened to be the same brand bought from the same storefront. "Could there be a quality issue with the security door?" Subsequently, he compared his own key with Ms. Yang's key. The reporter found that the sawtooth patterns of the two keys were indeed very similar, only slightly different in size and thickness.
Mr. Kang's house is on the 9th floor of the building, and he has lived there for six years. Many of the residents in the building were old neighbors before. On the evening of the 17th, Mr. Kang attended a gathering with friends and was drunk when they dispersed. At around 2:00 AM on the 18th, he returned to his building downstairs. "To be honest, I was so drunk that I mistakenly pressed the button for the 6th floor instead of the 9th floor," Mr. Kang recalled. He arrived at the "front door" of his house, took out the key, and smoothly opened the security door.
Upon entering, Mr. Kang fumbled in the dark looking for the light switch but couldn't find it for a long time. At this point, he heard someone talking inside the room, which instantly sobered him up halfway - his wife was on a business trip, so how could there be people at home? At this moment, the lights turned on, and two people rushed out from the inner room. He looked closely and saw that it was Ms. Yang, his old neighbor who lived downstairs, and her daughter.
Ms. Yang from the 6th floor said that she was sound asleep that night and was awakened by the noise in the living room. She and her daughter mustered their courage to get up and check, only to encounter Mr. Kang, leaving them utterly confused. "If it weren't for being old neighbors and knowing each other already, I would have really thought there was a burglar in my house!" Ms. Yang said.
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