Specialist in seat structures and seat adjusters for the automotive industry
C. Rob. Hammerstein GmbH & Co. KG
Solingen-Merscheid · Solingen-OhligsNew on Amplifa
About C. Rob. Hammerstein
C. Rob. Hammerstein GmbH & Co. KG (CRH) was a German automotive supplier based in Solingen, regarded as a recognized specialist in seat structures. The company produced seat structures, seat height adjusters and, from 1999, complete seat structures in series production, predominantly made of steel. Its customers included Bentley, Porsche, BMW, Ferrari, Audi, Ford, Daimler-Benz, Volkswagen, Land Rover and Maserati. Production and sales locations were located in Germany, Romania, Hungary, Sweden, the Czech Republic, Turkey, the USA, Mexico, China, Japan and South Korea. In January 2011 the company was sold to Johnson Controls and, since the spin-off of the automotive division in 2016, has been part of Adient. In 2020, around 250 employees worked at the development site in Solingen-Merscheid and around 300 at the production site in Solingen-Ohligs.
- Site
- Solingen
- Processes
- Manufacture of seat structures (complete seat structures from 1999), Electric seat height adjustment (developed 1969), Manufacture of seat structures, Seat height adjustment, Complete seat structures (series production from 1999), Pre-assembly
- Materials
- Steel
- Founded
- 1849
- Employees
- 550 (2020: ~250
- Industries
- Automotive supplier industry
- 01
Steel tube manufacturing
- 02
Pre-assembly
- 03
Seat height adjustment
- 04
Assembly of complete seat structures
Materials and Processes
Steel
Main material for steel tubes, seat structures and seat adjusters.
Locations
Solingen-Merscheid
DEDevelopment site
- Materials
- Steel
Solingen-Ohligs
DEProduction site (pre-assembly)
- Materials
- Steel
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of seat structures (complete seat structures from 1999)Assembly | – | – | – | – | Steel |
| Electric seat height adjustment (developed 1969)Assembly | – | – | – | – | Steel |
Additional services
Reference customers
History
- 1849
Carl Robert Hammerstein enters production of steel handbag frames for the Offenbach leather goods industry as an iron and steel goods merchant
- 1870
Conversion of production to umbrella fittings; new production building on Eschenweg
- 1885
New plant on the then main road (today Merscheider Straße)
- 1913
325 employees
- 1924
Conversion to steel tube manufacturing for the bicycle and automotive industries
- 1969
Development of the electric seat height adjuster
- 1972
Final discontinuation of umbrella fittings production
- 1994
First foreign plant in Hungary (1,055 employees)
- 1999
Start of series production of complete seat structures
- 2001
Acquisition of the former factory site of the Klopp foundry in Solingen-Ohligs; new branch plant for pre-assembly
- 2011
Acquisition by Johnson Controls
- 2016
Company becomes part of Adient through the spin-off of the automotive division
- 2020
Around 550 employees at the sites Solingen-Merscheid (~250) and Solingen-Ohligs (~300)