What is a door closer?
Source: | Author:dorrenhaus | Published time: 2019-07-16 | 2182 Views | Share:
    The door closer is a spring-like hydraulic device installed on the upper part of the flat open door. When the door is opened, it can be released through compression. It closes the door automatically. It has the function of a spring-like door. It can ensure that the door is opened and closed to the initial position accurately and timely.
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