Specializing in R&D, designing and manufacturing various products, such as bronze doors, windows, railings, copper reliefs, copper handicrafts, etc. Europe, America, classical and modern coexist, and constantly introduce high-quality and fashionable new products on a regular basis. Its products are made of high-purity copper plates. The color is gorgeous and noble, showing a rich momentum. Galvanized steel pipes are used as keels inside.
National standard for security doors
The General Technical Requirements for Anti-theft Safety Doors, which has been implemented for 8 years, will be implemented in the new national standard from April 1 2008. According to the new national standard, the anti-theft safety level of the security door is divided into four levels: A, B, C and D. The anti-theft safety performance of different anti-theft levels is different, and the anti-damage time of the security door should not be less than 6 minutes.
Different anti-theft grades of anti-theft doors have different anti-theft safety performance. Such as damage prevention time, the first-class security door shall not be less than 30 minutes, the second-class security door shall not be less than 15 minutes, the third-class security door shall not be less than 10 minutes, and the fourth-class security door shall not be less than 6 minutes. The number of locking points between the door frame and the door leaf shall be no less than 12, 10 and 8 respectively.
The steel plate thickness of the door frame shall be 2mm, 2mm, 1.8mm and 1.5mm respectively. Consumers can choose the security door they want according to their needs.