Knowledge

Security doors are mainly divided into five types in terms of materials: steel, steel-wood structure, stainless steel, aluminum alloy and copper. They have their own characteristics in quality and per

Of course, only the introduction of the manufacturer and the seller is not enough, it is important to check the relevant documents in detail. Security door is an important product related to the life

(1) The installation of the anti-theft door should be based on the type of anti-theft door used, and the appropriate installation method should be adopted. (2) The door frame of the anti-theft door ca

There are many types of anti-theft doors [2] on the market today. According to the standard GB25-92 "General Technical Requirements for Anti-theft Security Doors" promulgated by the Ministry

First, look for the key to the door lock. The more and deeper the "teeth" of the key, the more complicated the arrangement of the door lock is, and the more difficult it is to open. Second,

Executive standard "General technical conditions for anti-theft security doors" GB/T 17565-2007 [1] Technical performance Exterior Inferior security door (1) The surface of the door frame an

It is mainly reflected in the intelligence of its key components (locks), including various electronic anti-theft locks that have been widely used, such as fingerprints, passwords, and IC card locks.

It is equipped with an anti-theft lock, which can resist abnormal opening under certain conditions within a certain period of time, and has a certain safety protection performance and conforms to the

1. After the product is installed, the unpainted product should be oiled within five days. 2. In dry and windy seasons, the doors and windows of the construction site should be closed to reduce the im

Scope This standard specifies the classification, specifications, codes, requirements, test methods, inspection rules and signs, packaging, transportation and storage of wooden doors. normative refere

Press to open Wooden doors are divided into four types: swing doors, sliding doors, folding doors and spring doors according to the opening method. By construction According to the different structure

Wooden door is a door that uses wooden materials (such as sawn timber, glued lumber, etc.) as the main material to make door frames, door covers, and door leaves, referred to as wooden doors. Includin