2017
2017
Recertified to DIN EN ISO 9001:2015
2016
2016
Certified to DIN EN ISO 50001:2011
2011
2011
Certification of our quality management system to DIN EN ISO 9001:2008
2010
2010
Expansion of international sales with the creation of a dedicated export department
2005
2005
Expansion of production floor space and management offices
2001
2001
Change in ownership, restructuring of the arcDOH product line as a specialist for architectural fabrics
1993
1993
Spin-off of conveyor roller production and founding of a new, independent company
1990
1990
Expansion of production with 1,000 square meters of new production space for conveyor roller manufacturing and relocation to a new administration building
1984
1984
Expanded product lines to include conveyor rollers, drums, stations, garlands, and a focus on customized rollers
1974
1974
Extended business activity to include metal conveyor belts and expanded existing production facilities to over 8,500 square meters on the company’s site of over 36,000 square meters
1962
1962
Start of production of metal conveyor belts made of wire, and thus the start of the modern DOH period
1954
1954
Expansion of wire product manufacturing with wire rolling mill and winding plant; increasingly specialized in wire pin manufacture
1938
1938
Construction of hot-dip galvanization plant and expanded production with punching shop for small hardware, predominantly for hot-dip galvanized products for installation, roofing, and plumbing
1922
1922
Expanded range of services; became independent with integrated wire pickling line, chemical descaling lines, electrical annealing shop / wire drawing shop with several rough and fine draws
1918
1918
Takeover by Peter Weil and founding of the “Drahtwerks Oberndorfer Hütte Peter Weil KG”, today’s DOH
1902
1902
Founded as a wire plant
1660
1660
First mention of the smelting works and iron forge of the Count of Solms-Braunfels