High accuracy

Manufacture of rubber parts, structurally complying with the requirements and tolerances required; also providing advice on the design of the most optimized matrices for the needs of the project.

Demanding with quality

Our finished parts always provide added value, from the quality of the raw materials, through the dimensional and surface finish, to long-term robustness.

the best materials

Technical advice on the definition of raw materials and optimized formulations for your project, working with top-tier suppliers and high quality standards.


We study your project from birth, accompanying it with the selection of raw materials, design, prototyping, pre-series and mass production. Optimizing costs and strictly complying with delivery deadlines.

We work for different sectors such as:

vulcanized rubber


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High manufacturing precision


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High quality materials


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High precision thermo-injection


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Custom manufacturing


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High quality materials

Sanitation and plumbing

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vulcanized rubber


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High manufacturing precision

Renewable energy

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We bring your project to reality

manufacture to measure

In our production processes we use state-of-the-art injection presses, CAD/CAM cutters, cryogenic deburring machines and punching machines.

Our R&D department studies the most favorable geometry and materials in each case together with the client, as its most suitable production process.

We have extensive experience in technical rubber parts for all types of sectors:

  • Automobile
  • Railway
  • Naval
  • Telecommunications
  • Aeronautical
  • Renewable energy
  • Sanitation and plumbing
  • Food
  • general industry
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JUNTA 3, SL has been a beneficiary of the European Regional Development Fund whose objective is to promote technological development, innovation and quality research and thanks to which it has been able to consultancy for the development of digitization of Board 3. This action has taken place during 2021. For this, it has had the support of the InnoCámaras program of the Valencia Chamber.

European Regional Development Fund. A way to make Europe