Isringhausen Seat Systems

The seating systems of Truck, Bus, Minibus on commercial vehicles, our company has covers 90% of the European market. We are producing Technical Springs and Passenger Seats for Minibuses, Cars, Buses, and Jeeps.

Our facility with the former name is called Esteban seat systems.The result of the Isri-Esteban union decision taken in the Aunde group. In the world, Turkey was applied for the first time and changed in to “Isringhausen Seat Systems” on November 12, 2008.

All systems and additional equipments are developed according to automotive industry standards.

The seats passes the crash tests in the international accredited test center; Seats have “ECE R 14 seats and connections directives” and also covers “ECE R 80 seat strength directives”.

AUNDE Teknik Fabric Upholstery Production Plant

AUNDE Teknik Automobile Upholstery Fabric Factory is an automotive supplier industry that produces auto fabrics for parts as seat in the vehicle, headrest, armrest, door panel, roof, curtain and so on… And exports half of this production.

All products are designed and developed according to specifications determined by the automotive industry. In Aunde Group companies, project-based designs are made for the automotive main industry using common joint design programs and creates common design pools.

In our factory, we have a well-equipped laboratory that has been approved by customers, that meets automotive fabric testing requirements.

AUNDE Teknik Seat Cover Plant

AUNDE Teknik Auto Seat Cover factory, producing original covers for seats, headrest, armrest, etc sections contained in the vehicle, and close to all of the portion of this production that export automotive supply industry. All products are designed and being developed according to specifications set by the automotive industry. Aunde Group Company, using common joint CAD design programs in project-based designing for automotive industry.


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Human Resources


Nowadays the importance of person that creates the “knowledge” is distinguishing in the world of communication. Company staff is the most important factor which enables a company to stand as a leader in the competitive world. AUNDE TEKNİK has the acknowledge of the team work and is maintaining its activities with this conscious.

In today’s world, the only companies that will survive in the changing and developing world standards will be the ones that are working harmoniously with the going on changes. Knowledge is the most important item to achieve this and this can be acquired with the help of education and the educated staff. For this reason, technical and personal educations are being supplied in order to reach the company targets and in order to enable the employees to realize their own career plans.
We will be glad to reach our targets together with you


You can make your job applications by filling in the application form or by personally applying to our address. We will be glad to see you among us and working with you. 

Your job applications are received through

For AUNDE Teknik job applications please click here.
For ISRINGHAUSEN job applications please click here.

Free Zone 

Bursa Serbest Bölge Hisar Mevkii Liman Yolu TR 16600 Gemlik / BURSA / TÜRKİYE 
Tel +90 224 219 78 00 
Fax +90 224 219 78 90 

Kumaş Fabrikası 
Demirtas Organize Sanayi Bölgesi Kardelen Sokak No:11 16369 BURSA / TÜRKİYE 
Tel +90 224 219 00 00 
Fax + 90 224 261 01 22 

Demirtas Organize Sanayi Bölgesi Mustafa Karaer caddesi Açelya sokak No:2 16369 BURSA / TÜRKİYE 
Tel +90 224 261 02 15 
Fax + 90 224 261 01 21 

Koltuk Sistemleri
Demirtas Organize Sanayi Bölgesi Mustafa Karaer caddesi Açelya sokak No:2 16369 BURSA / TÜRKİYE 
Tel +90 224 261 22 60 
Fax + 90 224 261 22 63 

AUNDE Vehicle Conversion Factory

Our customers commercial vehicle conversion produced by “AUNDE TEKNİK” in Bursa.

Product development and homologation processes adapted by ”AUNDE TEKNİK” engineers.

AUNDE TEKNİK has proved its expertise and quality in Vehicle Conversion with compliance process and results obtained from directive 2001/85. In accordance with VW, Ford and European standards,

In accordance with VW, Ford and European standards,

  • Seat strength (ECE R17 74/408)
  • Seat belts (ECE R16 77/541)
  • Safety belt connections (ECE R14 76/115)
  • Mass and dimensions (97/227)
  • Vehicles designs passed all conformity tests according to (2001/85) AT Bus directives.

AUNDE TEKNİK Vehicle Conversion Plant successfully completed the production of 7500 VW-Crafter Volt and 450 units of Vehicle Conversion from February 2007 until the end of 2010. Our annual capacity is 6000 vehicles.