
Service provider for assembly, packaging, inspection and rework of plastic parts with its own welding and processing technologies

KDL Kunststoffdienstleistungen Lohne GmbH
Lohne (Oldenburg) · Eydelstedt (Barnstorf)New on Amplifa
The Company
KDL Kunststoffdienstleistungen Lohne GmbH is an owner-managed family business in its second generation and supports industrial companies in the Oldenburger Münsterland as well as internationally with services related to plastic articles from injection molding. The range of services includes manual, semi-automatic and fully automatic assembly, packaging and order picking, sorting, inspection and rework, as well as project and concept planning for assembly processes, logistics and warehousing. In processing technologies, KDL offers ultrasonic welding, friction welding, drilling and milling work, punch press technology, electrical engineering with cable processing and potting with 2-component liquid resins, packaging processes, cleaning processes, low-friction coating application, inspection of chrome-plated plastic parts, and embossing and labeling technology. Recipients of the articles delivered via customers come from the cosmetics, food, automotive and agricultural industries. The company employs around 160 people at its sites in Lohne (Oldenburg) and Eydelstedt (Barnstorf) and is certified to DIN EN ISO 9001:2015.
- Site
- Lohne
- Processes
- Assembly (manual assembly, semi-automatic assembly, fully automatic assembly), Packaging / order picking, Sorting, inspection & rework, Project and concept planning for assembly processes, Ultrasonic welding processes, Friction welding processes, Drilling and milling work (0-series automotive, drilled holes in small series, processing on large, Punch press technology (semi-automatic precision technology for automotive, punching with hand
- Materials
- Plastic (general, articles from the cosmetics, food, automotive and agricultural industries), 2-component liquid resins (potting of plug connectors), Low-friction coating (application process for noise reduction), Chrome (refined/painted/chrome-plated plastic parts), Plastic (injection-molded articles), 2-component liquid resins, Low-friction coating, Chrome-plated and painted plastic parts
- Certificates
- DIN EN ISO 9001:2015, ISO 9001
- Founded
- 1985
- Employees
- approx. 160
- Industries
- Automotive industry, Cosmetics industry, Food industry, Agricultural industry, Plastic injection molding (supplier)
- 01
Project and concept planning
- 02
Raw parts collection
- 03
Assembly (manual, semi-automatic, fully automatic)
- 04
Processing (welding, drilling/milling, punching, electrical engineering,
- 05
Sorting, inspection & rework
- 06
Packaging and order picking
- 07
Warehousing
- 08
Delivery with own vehicle fleet
Processing Technologies and Materials
Plastic (injection-molded articles)
Processing, assembly and inspection of injection-molded parts from the cosmetics, food, automotive and agricultural industries.
2-component liquid resins
Potting of plug connectors in the electrical engineering sector.
Low-friction coating
Manual application on large components for noise reduction in the automotive industry.
Chrome-plated and painted plastic parts
Processing and inspection of refined plastic articles at specially illuminated workstations.
Sites

Lohne (Oldenburg)
DEMain site: production, warehousing, administration
- Materials
- Plastic
- Ultrasonic welding systems
- Hand lever presses (punch press technology)
- Semi-automatic precision punching technology
- High-tech assembly lines
- Packaging machines
- Drying line and inspection station with special illumination
- Block warehouse (1,200 sqm)
- High-bay warehouse (approx. 5,000 slots)
- Own vehicle fleet
Eydelstedt (Barnstorf)
DEBranch site: production and block warehouse
- Materials
- Plastic
- Block warehouse (3,500 sqm)
Services and Components


Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Assembly (manual assembly, semi-automatic assembly, fully automatic assembly)Assembly | – | – | – | – | Plastic |
| Packaging / order pickingAssembly | – | – | – | – | Plastic |
| Sorting, inspection & reworkInspection | – | – | – | – | Plastic |
| Project and concept planning for assembly processesEngineering | – | – | – | – | – |
| Ultrasonic welding processesJoining | – | – | – | – | Plastic |
| Friction welding processesJoining | – | – | – | – | Plastic |
| Drilling and milling work (0-series automotive, drilled holes in small series, processing on largeMachining | – | – | – | – | Plastic |
| Punch press technology (semi-automatic precision technology for automotive, punching with handForming | – | – | – | – | Plastic |
| Electrical engineering (cutting cables to length, crimping connectors, soldering cable ends)Joining | – | – | – | – | Plastic, 2-component liquid resins |
| Packaging processes (standard and special packaging for small and large series, manual orAssembly | – | – | – | – | Plastic |
| Semi-automatic cleaning processes (cleaning of packaging with compressed air, ionizing andSurface | – | – | – | – | Plastic |
| Application processes (manual low-friction coating application on large components with drying line)Surface | – | – | – | – | Plastic, Low-friction coating |
| Processing & inspection of chrome parts (inspection of painted/chrome-plated plastic articles atInspection | – | – | – | – | Plastic, Chrome |
| Embossing and labeling technology (rotary embossing, flat embossing, labeling technology, printingSurface | – | – | – | – | Plastic |
| Logistics and warehousing (block warehouse approx. 5,000 sqm, high-bay warehouse approx. 5,000Assembly | – | – | – | – | – |
6 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Ultrasonic welding systems | – | – | – | – | Lohne |
| Hand lever presses (punch press technology) | – | – | – | – | Lohne |
| Semi-automatic precision punching technology | – | – | – | – | Lohne |
| High-tech assembly lines | – | – | – | – | Lohne |
| Packaging machines | – | – | – | – | Lohne |
| Drying line and inspection station with special illumination (application processes) | – | – | – | – | Lohne |
Additional services
Quality
KDL is certified to DIN EN ISO 9001:2015 for assembly, inspection, packaging and production-supplementary activities. Inspections are carried out with visual and technical checks, seamless traceability, 100% functional testing in the electrical engineering sector, and specially illuminated inspection stations.
| Evidence | Lohne (Oldenburg) | Eydelstedt (Barnstorf) |
|---|---|---|
| ISO 9001 |
History
- 1985
Founded by Maria Dierker; processing of plastic articles as home-based work, later sites in Kroge, Mühlen and Lohne (Grevingsberg), finally at Zur Mark 4 in Lohne.
- 2010
Founding of KDL: Marc and Yvonne Dierker take over the business from their mother with around 1,000 sqm.
- 2018
KDL operates over 10,000 sqm of production and warehouse space with around 160 employees.