Manufacturing of pipes, injection lines, fuel distributors and piston cooling lines for the automotive industry
SchmitterGroup GmbH
Thüngen (headquarters) · Further locations in Europe and AsiaNew on Amplifa
About SchmitterGroup
SchmitterGroup GmbH, headquartered in Thüngen in Lower Franconia, is a supplier to the automotive industry with over 70 years of experience and locations in Europe and Asia. Its core competence is classic tube processing: The company manufactures injection lines for diesel (operating pressures up to 2000 bar) and gasoline (up to 250 bar), predominantly made of stainless steel, fuel distributors with optimized welding processes, piston cooling lines, and tube-hose lines with single- and multi-layer plastic hoses. The range of services includes consulting, development and design of lightweight-construction components, forming and joining techniques, rotary swaging, high-temperature brazing, fully automated assembly, and corrosion protection. Every assembly is assembled to customer requirements and 100% leak-tested. Customers include almost all European truck manufacturers and many passenger car manufacturers as well as renowned manufacturers worldwide.
- Site
- Thüngen
- Processes
- Classic tube processing, Production of fuel lines (automated system), Welding (optimized welding processes for fuel distributors), Manufacturing diesel injection lines (operating pressures up to 2000 bar), Manufacturing gasoline injection lines (pressures up to 250 bar), Assembly of components (injection lines to customer requirements), Leak testing 100%, Tube-hose connections (single- and multi-layer plastic hoses, connection elements,
- Materials
- Stainless steel, Plastic (single-/multi-layer plastic hoses)
- Certificates
- DIN ISO TS 16949, DIN EN ISO 9001, DIN EN ISO 14001, ISO/TS 16949, ISO 9001, ISO 14001
- Employees
- 600
- Industries
- Automotive industry (passenger cars, trucks, commercial vehicles), Engine and chassis technology, Automotive sector (passenger cars, trucks, commercial vehicles)
- 01
Consulting and design/development
- 02
Tube processing and forming (including rotary swaging, punching technology,
- 03
Joining (welding, high-temperature brazing, tube-hose connections)
- 04
Corrosion protection (oiled tube, KTL, zinc-nickel coating)
- 05
Fully automated assembly
- 06
Final inspection/leak testing (100%)
Materials and Processes
Stainless steel
Standard material for injection lines up to 2000 bar (diesel) or 250 bar (gasoline) and fuel distributors.
Plastic (single-/multi-layer plastic hoses)
Used in tube-hose lines for brake and fuel line systems as well as return and rail connection lines.
Locations
Thüngen
DEHeadquarters and production
- Materials
- Stainless steel, plastic
- Automated system for fuel lines
- Zeiss metrology/measuring machine
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Classic tube processingForming | – | – | – | – | Stainless steel |
| Production of fuel lines (automated system)Forming | – | – | – | – | Stainless steel |
| Welding (optimized welding processes for fuel distributors)Joining | – | – | – | – | Stainless steel |
| Manufacturing diesel injection lines (operating pressures up to 2000 bar)Forming | – | – | – | – | Stainless steel |
| Manufacturing gasoline injection lines (pressures up to 250 bar)Forming | – | – | – | – | Stainless steel |
| Assembly of components (injection lines to customer requirements)Assembly | – | – | – | – | Stainless steel |
| Leak testing 100%Testing | – | – | – | – | Stainless steel |
| Tube-hose connections (single- and multi-layer plastic hoses, connection elements,Joining | – | – | – | – | Stainless steel, Plastic |
| Forming processes (for oil lines of hydraulic steering systems)Forming | – | – | – | – | – |
| Joining techniques (for oil lines of hydraulic steering systems)Joining | – | – | – | – | – |
| Corrosion protection: oiled tube, KTL, zinc-nickel coatingSurface | – | – | – | – | – |
| Rotary swaging (piston cooling)Forming | – | – | – | – | – |
| High-temperature brazing (piston cooling)Joining | – | – | – | – | – |
| Fully automated assembly (piston cooling)Assembly | – | – | – | – | – |
| Final inspection (piston cooling)Testing | – | – | – | – | – |
| Special tube end forming (piston cooling)Forming | – | – | – | – | – |
| Punching technology (punched parts for fuel distributor connections)Forming | – | – | – | – | – |
| Development and design of components (lightweight construction)Engineering | – | – | – | – | – |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Automated system for production of fuel lines | – | – | – | – | Thüngen |
| Metrology / measuring machine | Zeiss (cooperation partner) | – | – | – | Thüngen |
Additional services
Reference customers
Quality
SchmitterGroup is certified to DIN ISO TS 16949, DIN EN ISO 9001 and DIN EN ISO 14001 and invests in state-of-the-art metrology; every assembly is 100% leak-tested.
| Evidence | Thüngen |
|---|---|
| ISO/TS 16949 | |
| ISO 9001 | |
| ISO 14001 |
History
- 2015
Product pages (fuel distributors, injection lines, etc.) were published on 30.06.2015.
- 2021
Completion of the largely automated system for the production of fuel lines; investments in metrology; image film with partner Zeiss (11.05.2021).
- 2022
Christopher Horbach leaves the management board at his own request as of 31.07.2022.
- 2025
Change in management: Wei Xing becomes the new CEO as of 01.09.2025.