twinDOOR, a member company of the Doering business-group, is a
German family-operated company group with a long tradition. Over
half a century, we have focused on innovative door and window
sun-protection technologies. The Doering family holds over 700
patents for garage doors, industrial doors, door drive and
window-roller shutters / roller blinds. More than a million
customers worldwide place their trust in patented Doering
technology - and they happily come back to us.
It is not that we have only been in the market for over 50 years,
but we have defined the meaning of high quality products. twinDOOR
- a symbol of outstanding quality and service!
It is due to our outstanding achievemnts and results, that we have
been awarded the RUDOLF DIESEL MEDAL. We want our customers to be
proud of twinDOOR - proud of twinDOOR products.