Smart Fluid Systems


Whether water, fuels, oils or other media - COHLINE is your reliable partner in the development and production of Smart Fluid Systems - and has been for over 90 years.

As a medium-sized family business with five production sites worldwide, we have build an international network. Thanks to our modern production facilities, we are able to manufacture all types of media-carrying hose and pipe systems, regardless of the material. We use complex manufacturing processes for production, including upsetting, rolling, bending, soldering and welding. This enables us to manufacture lines from metals, plastics and elastomers as well as combinations of different materials in almost any production quantity.

We are a long-standing partner for customers in all branches of industry who require media-carrying lines. Our customers are internationally operating automotive manufacturers, the supply industry, agricultural and construction machinery manufacturers as well as manufacturers in the segment of new drive technologies. They all rely on COHLINE's intelligent and tailor-made solutions in fields of hose and pipe systems and appreciate our high and reliable quality, which we are able to constantly check and also guarantee by means of state-of-the-art laboratory and measuring technology. This is evidenced by our integrated management system with certifications according to IATF 16949, ISO 9001, ISO 14001, ISO 45001 and TISAX.

In compliance with our COHpure sustainability concept, we are constantly improving to reduce our emissions and waste and have set ourselves the aim of a completely climate-neutral production by 2035. To achieve this, our 950 employees give their utmost personal commitment every day to develop and produce innovative and qualitative solutions in joint dialog with our customers.



  • Adresse Kasseler Str. 24
    35683 Dillenburg
  • Country Germany
  • Employees 265

Functions of the headquarters

  • Overall management
  • Sales
  • Development
  • Construction
  • Materials management
  • Controlling and accounting
  • Production planning
  • Quality control
  • Disposition
  • Tool and sample making
  • IT


  • Adresse Staudter Str. 6
    56410 Montabaur
  • Country Germany
  • Employees 260

Functions of the plant

  • Production planning
  • Quality control
  • Disposition
  • Toolmaking and prototyping


  • Adresse The Loop
    Kent International Business Park
    CT12 5DE
  • Country England
  • Employees 40

Core processes

  • Cable assembly
  • Aluminum brazing
  • Tube bending


  • Adresse Calea Timisorii nr. 115
    315400 Lipova
  • Country Romania
  • Employees 340

Core processes

  • Pipe bending
  • Line assembly
  • Aluminum brazing
  • Stainless steel continuous brazing


  • Adresse HornĂ­ 1133
    357 35 Chodov
  • Country Czech Republic
  • Employees 60

Core processes

  • PA Forming
  • PA rotation welding
  • Assembly of plastic lines