Door coordinators are used to control the closing sequence of a pair of doors when both leaves are furnished with latching hardware and one leaf latches into the other of has an overlapping astragal. Typically, these openings will have a vertical rod exit device or automatic flush bolts installed on

Locks are one of the world's oldest inventions, with a wide variety and thousands of years of development. The door lock is one of the locks that are indispensable for any occasion in our lives. The importance of door locks is particularly evident. Today we will combine the definition and characteristics of door locks with a brief summary and analysis of door locks.

With the development of metalworking technology, the use of door hardware is becoming more and more widespread. door hardware is an extremely important type of everyday metalwork in people's daily lives, and it is used in wooden doors, glass doors, sectional doors and other metal devices made by man

The product we are presenting today is the door hinge, an important component for safety and security, which is used to connect various doors. In this article, we will describe the functions and types of door hinges, as well as some advice on how to choose them.

A ​door closer is an adjustable and spring-loaded mechanical arm that closes a door automatically after it has been opened. Door closers are usually filled with hydraulic fluid, which dampens the door swing and controls its operation. Installing a door closer adds a level of control to your door's safety and security.

An exit device is a piece of hardware mounted on the push side of a door. It is designed to release a latching mechanism in the event of panic. Exit devices are intended to operate without prior knowledge or training when pressure is applied to horizontal bar or push pad mounted to the door.
Because of their direct effect upon life safety, exit devices are one of the most important hardware items in a building.
Panic Hardware and Fire Exit Hardware are two different types of exit devices, and the proper selection is determined by code requirements.

Door hardware is an important part of the door, in the design and calculation of door hardware selection, hinge as a load-bearing component, has an important position. The bearing capacity of hinge affects the safety performance and service life of the whole door.

The hinges are one of the most active components of any opening combined with the lock, exit device and closer. Hardware in general is not thought of unless it does not work properly, and the door unit will not function properly if the proper hanging device is not specified. So, how do we determine The hinges are one of the most active components of any opening combined with the lock, exit device and closer. Hardware in general is not thought of unless it does not work properly, and the door unit will not function properly if the proper hanging device is not specified.

Conventional hinges with DoorsThere are four basic steps to follow when selecting or scheduling hardware for door opening. These steps follow the logical order in which the hardware would be installed:(1) Hang the door(2)Secure the door(3) Control the door(4) Protect the door Hinge just as the total

Antimicrobial & Antiviral Door Handle--Covid-19 is still spreading, are there ways to avoid being affected while using a door handle? As using a door handle just like shaking hands with thousands of people.

When choosing the lock, the safety of the mortise lock is the first element. For the best protection, many buildings have mortise locks. The mortise locks do provide strong security and can be used in commercial and residential applications.

European profile lock cylinders are the most popular type in the market. They usually have same shape but different in materials, sizes, brands especially the types of keys and locking mechanisms. The cylinder provides security functions such as anti-prying, anti-drilling, anti-shatter and anti-replication.

Installation of fire rated hinge

In order to provide customers with better and more professional services. Today, D & D hardware carried out professional training and assessment of product knowledge and technology.