1876
Foundation of Fr. Rahlfs GmbH. As a technical wholesale company with its own seal press shop and the tailored manufacturing of rubber and plastic semi-finished products, they supply industry and trade workshops (construction and sanitary sector).
1953
Foundation of a sole-trader company under the name of Erich Grüning. Mainly selling rubber products and acting as the main representative for Tretorn Erich Grüning supplies the technical trade, mining companies and large manufacturing companies.
1963
Klaus Loske becomes shareholder with Erich Grüning. The range of products is extended considerably. Grüning & Loske integrates the Trelleborg products and also obtains the exclusive right to distribute for well-known manufacturers of rubbers and valves.The customer spectrum is extended, products and services open up new fields of activity. The company is now called "Grüning & Loske Mining Service und Armaturen GmbH".
1980
Klaus Loske takes over Fr. Rahlfs GmbH.
1990
In a new building in Laatzen-Rethen Klaus Loske joins both Grüning & Loske and Fr. Rahlfs along with workshops and warehouse under one roof.
1998
In March Dirk Loske becomes shareholder in Grüning & Loske GmbH and accounts considerably for developing the core competences in particular the application oriented technology services.
2000
Both companies merged to Grüning, Loske & Rahlfs Systemtechnik und Handels GmbH. An important step forwards successful system suppplier: Combination of products and services as individual complete solution.
2002
Building of a further storage at the principal office in Rethen.
2004
Setting up a modern high rack storage.
2006
Renaming in “Grüning & Loske GmbH”.
2007
- Purchase of an autoclave and commissioning a technical work-shop "Corrosion and Abrasion Protection".
- Implementation of PIM-Software which allows automated catalogue production and will be used as B-2-B platform.
- Extension of C-Parts-management.
2008
- Acquisition of a 6000 m² area next to the head office in Rethen.
- Extension of the technical work shops by an in-house sandblast and coating/painting area.
- Upgrading the field sales force.
2009
Extensive expansion of hose and fittings technology:
- Hydraulic hose crimping for industrial hoses up to ND 300 mm
- Pressure testing system up to 400 bar
- Implementation of a hose and fittings specialist workshop for high pressure hoses as well as suction and delivery hoses
2010
Implementation of a product development department:
- Hose and fittings technology
- Plastics and rubber technology
- Steel construction, cast components in stainless steel / Brass / Aluminium
- Partnership with Eaton/SEL (Turkey)
2011
- Warehouse expansion by 800 m² field warehouse
- Further expansion of our sales and marketing team
2012
Expansion of workshop - steel construction, metal processing and hose production
2014
† Heide Loske
- Building of warehouse 3 including high bay storage and a storage area of 1,200 m² in Laatzen
- Establishing the new branche GrüloCoat Systeme: 2K Spraying technique, tube lining, roof coating
- Expansion of the section rubber coating
- On-site pressure tests up to 480 bar, in house up to 2800 bar
2015
† Klaus Loske
- Expansion of sandblasting unit
2016
Planning and start of construction work of warehouse 4/5 with another 1.750 m² storage and workshop area
2017
- Completion of the new building and removal
- Expansion of the section odour neutralisation
- Further development in export
2018
Conversion work in warehouse 1 as workshop for coating (Polyurea, rubber coating, sandblasting)