A company with heritage and character

Since 21st of January 2015 the fully integrated company TWD Fibres GmbH with a fine heritage is part of the investment company 4K Invest. At the Bavarian headquarters in Deggendorf/Seebach the company is producing commodities and high performance filament yarns with high added value alike. The company was founded in 1959 by Heinrich Kunert. In 1975 the first filament spinnery for polyester and polyamide 6.6 was inaugurated. In the following years the different production levels including dyeing facilities were integrated.

Company key figures

Production areas:

Spinning mill: 20.000 qm
Texturing & Dyeing: 92.000 qm

Production capacity:

PA POY ca. 15.000 t/a
PES POY ca. 15.000 t/a


700 employees

Sales markets:

40 % Germany
50 % Europe
10 % Overseas


around 27.000 To
around 100 Mio €


  • 1959 founded by Heinrich Kunert in the centre of Deggendorf, Bavaria, Germany
  • 1975 Building of the first filament spinnery for PA & PES – state-of-the-art PA spinnery started in 2002
  • 05/2005 TWD Fibres is taken over by the Daun & Cie. AG
  • 2005 Takeover and integration of the PET- texturising/package dyeing (automotive, special yarns) from KUAG Konz
  • 2006 Takeover and integration of PA texturising Kunert Ges. m.b.H. (Austria) to the location at Seebach
  • 10/2008 Start up of the dye house expansion
  • 2011 Start-up of the subsidiary FR Safety Yarns GmbH & Co.KG
  • 2013 Takeover of the sales company Fitor Fibras Portugal
  • 2015 TWD Group is taken over by investment company 4K Invest
11. 01. 2019

Forum Funktionalisierung

Dr. Reinhard Forstner will talk about recycling of chemical fibres at DITF's "Forum Funktionalisierung" conference in Denkendorf.

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17. 09. 2018

DIOLEN®THERMO Reference Project

Brand new on the market - already in series production

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