Development and manufacture of interior and exterior plastic components in small to medium volumes.

SE Kunststoffverarbeitung GmbH & Co. KG

LangenargenNew on Amplifa

1921Founded

Langenargen on Lake ConstanceLocation

Small to medium volumesLot sizes

About SE Kunststoffverarbeitung

SE Kunststoffverarbeitung GmbH & Co. KG (SE-K) is a family-owned company based in Langenargen on Lake Constance that has been processing plastics since 1921. The company develops and manufactures interior and exterior components for customers from dynamic markets such as automotive, buses, construction machinery, commercial vehicles, motorhomes and agricultural technology, as well as for municipal vehicles, emergency vehicles and special/luxury vehicles. The focus is on small to medium volumes: from development and design through to series production, SE-K supplies prototypes, pre-series and series as a 1st- and 2nd-tier supplier. The core process is thermoforming, complemented by CNC machining, finishing processes and assembly. Production takes place in the high-tech region on Lake Constance.

Site: Langenargen
Processes: Thermoforming, CNC machining (plastics), Assembly, Development (Innovate/Develop), Manufacture of prototypes, pre-series and series, Finishing processes (plastics), Development (Innovate), Design/Develop
Materials: Plastics (interior and exterior components), Plastics
Certificates: ISO 9001, ISO 14001, IATF 16949
Founded: 1921
Industries: Automotive, Buses, Construction machinery, Commercial vehicles, Motorhomes, Agricultural technology

01
Development (Innovate)
02
Design (Develop)
03
Thermoforming
04
CNC machining
05
Finishing
06
Assembly
07
Prototypes, pre-series and series (Produce)

Materials & Processes

KUN

Plastics

Base material for interior and exterior components in thermoforming and CNC production.

Sites

Langenargen

Headquarters / Production

Lot size: Small to medium volumes
Materials: Plastics

Thermoforming machines
CNC machining centres
3D metrology

Components

**Plastic component**Thermoforming · Vehicle construction

Inside the production

Vehicle application with SE-K components

Industries

AutomotiveBusesConstruction machineryCommercial vehiclesMotorhomesAgricultural technologyMunicipal vehiclesEmergency vehiclesSpecial/luxury vehiclesEmergency vehicles (fire brigade, ambulances)

Processes & technical limits

Processes	Tolerance	Max. part	Weight	Lot size	Materials
ThermoformingPlastics	–	–	–	–	Plastics
CNC machining (plastics)Machining	–	–	–	–	Plastics
AssemblyAssembly	–	–	–	–	–
Development (Innovate/Develop)Engineering	–	–	–	–	Plastics
Manufacture of prototypes, pre-series and seriesPlastics	–	–	–	small volumes – medium volumes	Plastics
Finishing processes (plastics)Surface	–	–	–	–	Plastics

Additional services

Development (Innovate)Design/DevelopManufacture of interior and exterior componentsThermoformingCNC machiningAssemblyPrototypesPre-seriesSeries (small to medium volumes)

Quality

Production is certified to ISO 9001, ISO 14001 and IATF 16949. Quality engineers for series production and 3D metrology are in use.

Evidence	Langenargen
ISO 9001
ISO 14001
IATF 16949

History

1921
Founded; over 100 years of experience in plastics processing
2025
Winner of the TecPart Innovation Award 2025 at the K trade fair in Düsseldorf