Several installation methods of door closer
The characteristic of the door closer is to accurately close
What is the difference between door closer and floor spring?
Door control products in the hardware industry are very impo
The effect of door closers on the door
The sort of door closer is the accessories of the door indus
What is a door closer?
The door closer is a spring-like hydraulic device installed
Working Principle of Closer
The basic components of the hydraulic door closer are suppor
The function of the door closer
Modern hydraulic door closer (hereinafter referred to as the
Use Requirements and Selection of Closers
Closer products must meet the national standard GB/T 2698-20
Installation Method of Closer
The most commonly used shutters are external shutters, which
Installation steps of door closer
1) Usually there are installation templates in the instructi