DUNCHA’s corporate
Be GLOBAL but LOCAL
Sustainability means responsibility / Innovation / Quality Cost Process / Collaboration and Partnership
We focus our strength on products that support industry, mainly individual transportation, based on environmentally healthy systems.
We are as well committed to our employees, their families and to our social responsibility.
DUNCHA supports each customer request by solution adapted and customized.
We integrate key operations to control functional requirements from our customers
DUNCHA handles the value chain from engineering to customer delivery aiming to propose to our customers the best technical/economical solution.
For us, the collaboration and Partnership is the base of customer/supplier relation. Following strictly the guidelines of our code of conduct and demonstrating good business ethics is what is driving our way of doing business.
DUNCHA France
Blois, Centre-Val de Loire

Automotive Competence Center
- 10.500㎡
- Tube Forming/ Bending process
- SwissLathe Turning
- 3-5 Axis Milling
- Assembly / testing clean room
- Design, development and test center
Duncha France History
1987: ERMETO SA and HYDEXCO SA company
1995: the British Group Senior Engineering bought SA ERMETO-HYDEXCO and integrated it into its subsidiary SENIOR FLEXONICS. ERMETO-HYDEXCO company was divided into 2 divisions: Automotive Division and Machined Products Division.
1997: the company changed its legal entity to become a general partnership with the new name of SENIOR ERMETO SNC.
2002: SENIOR France SAS company was created as well as two other legal entities:
– one was SENIOR AUTOMOTIVE Blois SAS, belonging to Senior Flexonics division
– the other was Senior Ermeto SAS, belonging to Senior Aerospace division
2013: SENIOR AUTOMOTIVE Blois SAS became SENIOR FLEXONICS Blois SAS
2019: SENIOR FLEXONICS Blois SAS becomes DUNCHA FRANCE SAS, belonging to MMT DUNCHA division, owned by MMT USA Inc.