Our certificates

DIN EN ISO 9001/2015, BG seal of approval 'Sicher mit System'...

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History

We are a manufacturer of technical ballast, concrete counterweights and molded concrete parts.

1959

Der_Beginn_1959_erste_GewichteEstablishment of the Tenwinkel concrete counterweights company by Heinrich Tenwinkel at Vreden-Lünten (Westphalia).     He developed and produced the first rear weights on his parents' farm.Der_Beginn_Lager_Hof_1959

1985

Development and production of the first front weight.

1990

Contact to the 'Same Vertriebsgesellschaft GmbH' at Groß Gerau.

1996

Relocation from the farm of the company founder to the production facility at Vreden-Ammeloe 9 (Westphalia).

Halle_Ammeloe_9_die_Zwischenstation

1997

The first contact with our sales partner Frans Pateer BV from the Netherlands.

2004

The company is taken over by the sons Markus and Stefan Tenwinkel and the name is changed to Tenwinkel GmbH & Co. KG

2006

Heinrich_Tenwinkel_Firmengründer_1942-2006

Sudden death of company founder Heinrich Tenwinkel

2007

Neubau_2007_Halle1_RückseiteNew construction of a production hall in the industrial area Vreden-Gaxel (Westphalia)

2008

Relocation to the new production facility.
Open day / inauguration of the new production hall.
Development and production of technical ballast and molded concrete parts.

2009

Our mission statement was developed and introduced with the 50th anniversary celebration.

2010

DIN EN ISO 9001: 2008 certification successfully obtained.
Membership in the 'Netzwerk-Westmünsterland'netzwerk_Westmünsterland_Banner

2011

Series approval for the single drum compactor and pneumatic tire roller.

2012

Extension of the outdoor area to 11000 m².

2013

BG certificate "Sicher mit System" successfully obtained.
Series approval for road paver.

2014

Extension of the outdoor area to 15,000 m².
Expansion of the production area to 4600 m².
Series approval for telehandlers.
Our first apprentice in 'surface technology' has started its vocational training.

2015

First-time operation of the new paint shop.
Open house and inauguration of the new production hall.
Development of a new protective impact coating, patent pending.

2016

Prototype for truck crane produced.
First apprenticeship in wholesale and foreign trade.
Finalist at "better painting Award 2016".
Finalist 2016

Winner of "better painting Award 2016" in the category in-house painting <50 empoloyees.

2017

Prototype for an airport tug produced.
Finalist at "better painting Award 2017".
Winner of "better painting Award 2017" in the category in-house painting <50 employees.
Start of series LIEBHERR LRT all-terrain crane weight 8-14 to.Liebherr LRT Allterainkran

2018

Welding certification according to EN ISO 3834-2 succesfully obtained.

2019

BG certificate "Safe with System" succesfully renewed.
Welding certification according to EN ISO 15085-2 succesfully obtained.
First time exhibited at BAUMA 2019 at Munich.

2020

Recertification according to DIN-ISO 2001-2015.

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