About us
FERONYL, established in 1950 in Mouscron, is a manufacturing specialist in lightweight mechanical components.
We serve all technological applications requiring polymers, composites, multi-material solutions (2K overmolding), and powder materials.
Through a wide range of manufacturing capabilities—such as injection molding, overmolding, welding, compression molding, assembly, Out-of-Autoclave techniques, and additive manufacturing—FERONYL can develop, design, engineer, and manufacture complex components with additional functionalities and advanced geometries.
Our team is capable of producing highly technical and demanding products at the right cost.
FERONYL is a leading company in the development, engineering, industrialization and manufacturing of complex components featuring advanced functionalities and complex geometries.
To demonstrate our commitment and our ability to meet our customers’ requirements, we are ISO 9001 and EN 9100 certified for our activities in the injection molding and assembly of technical parts made from plastics, composites and MIM.
We offer a complete project approach with a dedicated team composed of a Project Manager, R&D Engineers, Quality Engineers, Process Engineers, and Operators.
FERONYL provides cost-effective solutions across multiple technological domains for the manufacturing of polymers, composites, and multi-material systems.

From research to manufacturing
We develop, design, prototype and manufacture your next-gen product!

Sustainable development
In a constant drive to increase productivity and reduce our ecological footprint, SUB-ALLIANCE pursues a policy of synergy between the manufacturing of high-precision components and the use of materials suited to their final application.
By applying this sustainable development methodology, we are often able to reduce the weight of your products. As a result, the energy required to use, transport, or operate them is also reduced, lowering your environmental impact accordingly.
Founded in 1950, our company has continuously worked to develop its activities in the most sustainable way. We ensure the minimum use of energy and raw materials to meet your needs while protecting our planet.