Sheet metal working, metal working, welding, machining, painting, delivery and the construction of the assembly group are the various trades and the know-how of CHAMPRENAUT.

The CHAMPRENAUT group is a French family group with 150 people. The industrial group, the CHAMPRENAUT group, today has 2 companies VIOLLET INDUSTRIES in France and POLIPROD in Romania.

VIOLLET INDUSTRIES and POLIPROD, specializing in the design and production of metallic specific stillages.

The CHAMPRENAUT group specializes in the design and production of specific metallic stillages and generally in the transport and storage of any parts along the production supply chain of our customers.
The development of the specification, the development of a project, from design to manufacture are the strengths of the CHAMPRENAUT group.

VIOLLET INDUSTRIES and POLIPROD, in the fields of handling, construction machinery, agricultural machinery, nuclear and environment, in the east and in the west.

The CHAMPRENAUT group serves the European markets for equipments in the west and east, with its locations in France with VIOLLET INDUSTRIES and in Romania with POLIPROD. These markets are in the areas of handling, equipment for construction machinery, agricultural machinery, nuclear, automotive, equipment and the environment.
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Our history > Viollet industries
Our history > Poliprod
1924
VIOLLET INDUSTRIES founded by Francis VIOLLET

Manufacture of moulds and agricultural machinery

1978
Francis VIOLLET hands over his son Michel

During this time, VIOLLET INDUSTRIES and Savoyard architect Paccard carried out many metallic works for the King of Morocco, including metal frames for the roofs of mosques. The company also runs the Mole of the port of Saint-Jorioz, the avalanche barriers in the ski area of Avoriaz and the metal shell of the most famous ship of the Lac d'Annecy: the Libellule.

1990
Takeover of VIOLLET INDUSTRIES by the CHAMPRENAUT group

André CHAMPRENAUT specializes in metal handling for the automotive industry

1991
Relocation to the current company in Alby-sur-Chéran, 10 km from Annecy
1998 bis 2002
Period of strong investment level dedicated to large series realizations :

CN saws, CN brakes, welding robots

2005
Specific production of small and medium series

The company focuses on the specific production of small and medium-sized series, especially for the equipment’s’ branches.

1951
Foundation of POLIPROD in the downtown of Târgu Secuiesc in Romania
1972
Relocation of the company to its current location, in Fabricii street
1995
André CHAMPRENAUT's first visit to POLIPROD
1997
POLIPROD becomes ISO 9001 with TÜV SÜD for the first time
1998
First unsuccessful attempt to takeover POLIPROD by CHAMPRENAUT from the FPS

(State Privatization Fund), where POLIPROD was still a state-owned company

2002
POLIPROD takeover by CHAMPRENAUT
2003
POLIPROD becomes a 100% private-owned company
2007
1st largest campaign investment in POLIPROD

Robot welding and machining equipment

2012
2nd largest campaign investment (streams and conveyor technology)

Renewal of ISO 9001-V2008

2016
3rd largest campaign investment

CN processing equipment, handling equipment

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