Longling security door in the security door industry, its quality, color and sales are better. Compared with other security doors, its quality advantage is considerable. Dilante security gate is also good, but the quality and popularity of Buron Ridge security gate are almost the same.

The full name of the security door is "security door". Both anti-theft and safety performance. According to relevant regulations, qualified security doors cannot pry open or open the 6 15 square centimeter opening on the door leaf or the 38 square millimeter opening in the semi-circle of the locking point of 150 square millimeter with common hand tools such as chisels, screwdrivers and crowbars and portable electric tools such as hand drills within15 minutes. And the lock used on the security door must be a special lock with anti-drilling function, which has been tested by the testing center of the Ministry of Public Security. Security doors can be made of different materials, but only doors that meet the standards and pass the inspection and obtain the certificate of safety products can be called security doors.