Still in operation. Since 1987.
Copenhagen Airport, Finger B. Designed by KHR Architecture. d line supplied the door handles.
That was 37 years ago.
Think about that for a moment: a door handle in one of Scandinavia's busiest airports. Hundreds of openings every single day. Conservatively estimated, that adds up to more than 10 million uses since installation.
Still there. Still functioning. Still looking the way it was intended to.
That is no coincidence. It is the result of a design philosophy built on material integrity, precision manufacturing, and an uncompromising commitment to quality.
Our in-house durability testing equipment has recorded more than 3 million cycles under a 100N load. The airport handle passed that milestone decades ago.
At d line, all products, including door hardware, bathroom accessories, and taps, are backed by our Rehandle concept, a 20-year warranty, and a long-term service commitment.
Fewer replacements. Less waste. Lower environmental impact.
This is what real sustainability looks like in the built environment.
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