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The electric button is activated and operated flexibly, and the actions of centralized control and linkage control are flexible and accurate. The automatically controlled safety device shall be instal...
When the fire radiation intensity of the backfire surface exceeds the critical heat radiation intensity specified value, or when the curtain surface is bonfired. This period of time is called the fire...
1.General hinge This is the usual hinge we often talk about. It can be used for cabinet doors, windows, doors, etc. Hinge, from the material can be divided into: iron, copper, stainless steel. From th...
Ordinary hinge: used for cabinet doors, windows, doors, etc. Made of iron, copper and stainless steel. The disadvantage of common hinges is that they do not have the function of spring hinges. After t...
The Good hardware appearance smooth, uniform, delicate, uniform, no burr, rust and other flaws, high processing accuracy, good interchangeability, there is a regular brand, origin and quality assuranc...
1 .Transmission mechanism with handle Drive transmission lockers, multi-point locks, and control devices for opening and closing doors and windows. 2 .spinning handle By turning the handle, a window o...