transform challenges into smart, durable, and recyclable advancements.

Polysemble symbol logo

We are a global leader in plastic injection molding, specializing in innovative, precision-engineered solutions. We leverage decades of expertise to create advanced components that enhance performance and sustainability. With cutting-edge technologies like plastronics and a commitment to quality, Polysemble delivers smart, recyclable, and durable products. Operating across multiple locations, we collaborate closely with clients and leverage intercompany synergies to meet unique challenges and drive innovation.

Our Services

  • All-round support from concept to creation of your plastic parts – whether you’re starting from a basic idea, have already worked out what you need, or are coming to us with fully developed specifications for your plastic part.

    Tell us about your project: our design experts will take a proactive approach, and investigate and conceptualise a custom-built plastic solution – they’re certain to meet your needs, often in innovative ways:

    • Design and co-design

    • Structural analysis and rheology

    • Metal replacement

  • From creating the tools, to defining the testing process and customising the production methods: once the development of your plastic part is complete, we organise the different stages of taking your plastic parts into production, including assembled units and sub-units, in France and abroad. Thanks to our network of partners in Europe and Asia, Polysemble has extensive experience in supplier management:

    • Plastic injection tooling

    • Peripheral processing

    • Automated or manual line assembly

  • With its upstream validation and development, Polysemble manages the production and logistics of your products, and ensures the manufacture of plastic parts, including external decorative parts and technical parts. We have a choice of production sites to suit the specification of your products and their delivery locations.

    In terms of logistics, our goal is to maintain a customer service rate as close as possible to 100%.

    • 1K and 2K injection (incl. gas)

    • 40-1600T

    • Machine Park: Engel, Kraus Maffei, Haitian, Billion 

    • Visual, technical and safety parts

    • Grained & polished surface finishes

    • Metal & textile over moulding

    • Tampography

    • Project development and industrialization from conception to SOP & EOP

    • Quality assurance labs (CMMs, 3D Scanning...)

    • Semi auto & automatic assembly lines

    • In-house CAD design of tools & parts

    • In-house tool shop

Injection moulded gear parts Polysemble manufactured

INDUSTRIES

Polysemble primarily serves the passenger and commercial vehicle industries, producing a broad range of plastic components such as interior parts, safety features, and structural elements. Beyond these primary sectors, Polysemble also operates in a variety of industries, encompassing specialized markets like lighting, agriculture, plastic cage bearings, thermal comfort, and e-mobility.

Our tailored solutions for e-mobility contribute to sustainable transportation by delivering high-performance plastic parts for electric vehicles. In bearings and thermal comfort, we provide durable, efficient components that enhance machinery and climate systems. Among these, our precision-engineered plastic cage bearings stand out as highly technical parts designed to meet the needs of industries such as automotive, aerospace, and construction. Manufactured with specialized materials and adhering to strict dimensional tolerances, these bearings are capable of withstanding extreme climatic, temperature, and environmental variations, ensuring superior reliability and performance.For industries like agriculture, lighting, and food-related sectors, our custom-designed solutions ensure safety and top-tier performance.

With our expertise and innovation, Polysemble empowers these diverse industries to achieve superior results, driving progress and efficiency in every project.

Man looking up at injetion moulding moulds in Polysemble warehouse