You can use a thin card, insert the card into the gap between the door lock and the door frame, brush it back and forth, and slowly open the door lock by this moving method. This method also requires some skill, because the card position must just reach a certain position to open the door lock, so it is best to find a professional unlocking person.
What brand of security door is better?
One: Feiyun Security Door Feiyun Security Door is a brand owned by Harbin Feiyun Industrial Co., Ltd. and a famous brand in China. The slogan "Flying clouds into thousands of households, let you, me and him be safe" has become a household name. Strong technical R&D team, excellent processing technology and strong customized processing ability make Feiyun's security door products exported to Russia, Japan and other countries.
Two: Pan Pan security door When it comes to Pan Pan security door, everyone must be familiar with it. Up to now, it is still a product favored by consumers in the market and widely praised. Pan Pan security door products have existed since the end of last century and enjoy a good reputation in the industry. Including fire doors, steel wooden doors, shutter doors, indoor doors, protective windows, automatic garage door, radiators, color steel sandwich panels, steel structures, sound insulation screens, stainless steel kitchenware, etc. 10. , and more than 65,438+000 series of new products have obtained more than 40 national patents.
Three: Wang Li Security Door Wang Li Security Door is a brand of China Wang Li Group, located in Yongkang, Zhejiang, the hardware capital of China. Over the years, Wang Li's security door has established sales points in the United States, France, Russia and other countries, and it is the most trusted brand for consumers.
Four: Shengqun security door Shengqun security door is well known. As a leading brand in the industry, it has a high reputation. Shengqun Group is a large-scale housing distribution supplier, and its products are exported to dozens of countries and regions such as Japan, the United States, Germany and Italy.