In June 2020 DANGO & DIENENTHAL has successfully mastered the re-certification according to ISO 9001:2015!
Re-certification according to ISO 9001:2015
Increase service life
Why is it necessary to filter?
Virtual company run of D&D Filtertechnik & Friends
17th Siegerland AOK company run
Corpus Christi / Public holiday
We are closed on 11./12.06.2020!
Pentecost
We are closed on 01.06.2020!
1 May – Labour Day
We are closed on 01. May!
Happy Easter
Easter holidays from 10.04.2020 until 13.04.2020
Important information on handling the coronavirus
Information on handling the coronavirus
Closed for annual holidays
Merry Christmas
Fund-raising campaign instead of Christmas gifts
Merry Christmas
