Production: Shanghai
Warehouse & Sales: Frankfurt
info@mainstar-group.de 069 2474 2666-0DEEN
ECU 1 4 7 SENSOR MOTOR POWER 1 3 5 DISPLAY 1 3 10 2.5mm² 1.5mm² 0.75mm² 1.0mm²
Home/Regions/North Rhine-Westphalia
Region · West

Cable assembly for North Rhine-Westphalia.

NRW and the Ruhr area are Germany's industrial heart: machinery, automotive, steel, energy and an extremely dense SME base. Mainstar supplies harnesses for industry, automotive and energy — from batch size 1, from the Frankfurt warehouse.

Warehouse Frankfurt
From batch size 1
24h response
ISO · IATF
Region

Cable harnesses for the industrial heart of the west.

North Rhine-Westphalia is the most populous and one of the most industrially powerful German states. In the Ruhr area and along the Rhine axis, machine and plant engineering, automotive production and suppliers, steel and process industry, energy and environmental technology, plus logistics and special-vehicle building concentrate. From Cologne and Düsseldorf via Dortmund, Essen and Duisburg to Aachen and Bielefeld, the density of manufacturers is extraordinary.

Mainstar serves this breadth with series-ready automotive manufacturing per IATF 16949, EMC-shielded and cable-chain-rated industrial cables for machine and plant engineering, and durable energy lines per EN 50618. From batch size 1, with first-article report and 100% final inspection, delivered on schedule from our Frankfurt warehouse — about 190 km to the Rhine axis.

Business Areas

Which industries we serve in NRW.

Industry

Machinery & Plant Engineering

EMC-shielded, cable-chain-rated harnesses for machinery, conveyor technology, steel and process industry — over 5M flex cycles.

Machinery & plant engineering
Conveyor & process technology
Control cabinet & sensors
Learn more →
Automotive

Automotive & Suppliers

Series-ready wiring sets per IATF 16949 for vehicle building and suppliers along the Rhine axis.

Vehicle electrics & sensors
E-mobility & HV systems
PPAP · SPC · FMEA
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Energy

Energy & Environmental Technology

Assembled lines for photovoltaics, storage and utilities — EN 50618, IP68, designed for 25+ years.

Photovoltaics & storage
Utility & environmental technology
EN 50618 · IP68
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Your Advantage

Why companies in NRW work with Mainstar.

One source for a dense industrial state
Industry, automotive and energy from one source — with consistent process and inspection quality.
Well connected
About 190 km from the Frankfurt warehouse via the A3 to the Rhine axis — scheduled or via kanban.
Rugged & tested
EMC shielding, cable-chain capability and 100% final inspection — designed for tough continuous use.
40%
Kostenvorteil
vs. European manufacturing
15+
years of expertise
Own factory since 2009
24h
response time
guaranteed on business days
100%
Inspection
Electrical + visual
Case Example
For a plant builder in the Ruhr area we produced EMC-shielded, cable-chain-rated harnesses for a new machine generation. Via kanban from Frankfurt we supply on time in fluctuating volumes — with no inventory risk for the customer.
Typical customer feedback
Machine & plant builder, Ruhr area

For confidentiality reasons (NDA), customer name and identifying details are not published. Requirements and figures are exemplary for this industry.

FAQ

Frequently Asked Questions

Which cities does Mainstar cover in NRW?
Cologne, Düsseldorf, Dortmund, Essen, Duisburg, Aachen, Bielefeld and the entire state — from our Frankfurt warehouse.
Does Mainstar cover several industries from one source?
Yes — industry, automotive and energy, with consistent process and inspection quality.
Are the harnesses suitable for tough continuous use?
Yes — EMC-shielded, cable-chain-rated with over 5M flex cycles and 100% tested.
From what quantity does Mainstar produce?
From batch size 1 — from first article to mass production, with 100% final inspection.
More regions
Frankfurt am Main Stuttgart Munich Nuremberg Hanover Mannheim Cologne Hamburg Rhine-Main Baden-Württemberg Bavaria
All regions

Discuss your project?

Send us your drawings or describe your project — response within 24 hours on business days.

Send Request Use Cases
Non-binding
24h response
Personal contact
German-speaking