From design to series production, we manage your entire project.

As an experienced moldmaker, we take care of the overall overall project coordinationfrom design to validation, supported by a network of specialist specialized partners partners (injection molding machines, robotics, automation, etc.).

To simplify project management on the customer’s side, we offer TURNKEY management, a complete project management system.

SIMON becomes your single point of contact SIMON is your single point of contact: we centralize exchanges, technical approvals and testing, to ensure smooth communication and schedule follow-up.

We provide a dedicated 600 m² dedicated spaceequipped with injection molding machines (up to 350T), where we carry out pre-acceptance tests under real production conditions This crucial stage enables us to validate the complete line before transferring it to the customer’s site in France or abroad.

Contact us

+33 3 84 42 11 97

From our form

SIMON SAS

Our savoir-faire in design
and moldmaking

We develop custom injection moulds for technical, complex and high-volume applications:

Moulds
multi-cavities

Optimized mass production with customized multiple impressions.

Moulds
thin-walled

Lightweight parts, fast production, high precision for complex food packaging.

Moulds
two-stage

Reduced cycle time, doubled output, ideal for repetitive technical parts.

Moulds
unscrewing

Precise plastic threads, automated unscrewing without compromising quality.

Moulds
version

Multiple part variants produced with a single flexible tool.

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Copyright ©2026. All rights reserved.