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Swing clear hinges are used on openings, such as hospital patient room entry or cross-corridor openings, where the maximum clear width of the opening is required to permit the passage of equipment without damaging the doors.

Door locks are essential equipment in people's lives and without them, life's safe living and privacy will not be guaranteed. The development of door locks has been going on for centuries, and the variety of locks on the market has become unimaginable. From the point of view of the material of the d

Security door locks are a type of door lock that is very strong and has a wide range of applications. Doors equipped with anti-security door locks can resist abnormal opening under certain conditions for a certain period of time, security door locks have certain security protection properties and co

In order to provide an effective barrier to prevent fire, a door has to remain closed within the frame.

The most important feature of security door locks is their durability, they are made of stainless steel or steel. With strong anti-theft and wear resistance properties, they provide a great deal of security for people's lives. In order to play the role of gold security door locks in a safe and stabl

The door lock is one of the world's oldest inventions and it has taken hundreds of years to develop into the mature system it is today. With the development of the times, there are more and more types of locks used in homes today, with different application scenarios using different types of locks.

Fire-resisting doors are usually required to be self-closing, in accordance with building regulations. (other than those to locked cupboards, service ducts, and internal doors in flats and dwelling houses)

Rising butt hinges are designed to allow doors to close slowly using gravity and lift the door slightly as it is opened.

classroom - Single leaf swing type metal door- non fire rated – American standard

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.