In addition to closing a door, today’s door closer is designed to perform several different duties.

One of them is preventing fire and ensuing accidents; by blocking smoke and fire, it can effectively contain the spread.

Also attached dampers can help it control the closing force or speed. DONG KWANG in Korea introduces intelligent door closers.

Specialized in designing, manufacturing door closer, Dong Kwang has been supplying its own brand PRIMA door closers at home and abroad. Since 1969, the door closer manufacture has been recognized for its high quality and variety: ISO 9001 : 2008 Quality System Certificate and the European “CE” standard.

Dong Kwang’s PRIMA door closers are perfectly suitable to a wide variety of situations. These aluminum body door closers use hydraulic thermostatic oil for high performance. And they enable users to control the closing speed with valves : Closing speed, Slow closing speed, and Latch speed.

 
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