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High-performance industrial injection molding

We develop solutions in technopolymers and thermoplastics for modern industry.

Experts in plastic injection molding for over 30 years

Our factory is equipped with cutting-edge machinery and managed by an expert technical team, capable of overseeing every stage of the production process: from initial design to mold construction, from injection molding to final quality control. We work in-house to ensure precision, efficiency, and consistency, with constant attention to detail and customer needs.


Each project begins with the selection of the most suitable materials. We work with a wide range of thermoplastics and engineering plastics such as PC-ABS, PA6 and PA66, PBT, PEEK, ASA, TPV, TPE, PMMA, PC, PP, PPS, SAN, ABC, and others, including reinforced, flame-retardant, and flame-retardant versions. We use modern equipment to ensure precision and consistent results, with particular attention to process repeatability and compliance with the tolerances required by the most demanding industries.

We support our clients from the earliest stages of development. Using our CAD/CAM software, we translate every functional requirement into a technical project optimized for molding. We industrialize the product, design the mold, and oversee every detail of production. Each phase is designed to ensure efficiency, quality, and reduced development times.

Molds are manufactured in-house using high-quality materials and specific finishes based on the aesthetic or functional requirements.
We also offer post-molding services such as hot plate, ultrasonic, and vibration welding, as well as assembly and insertion of electrical or mechanical components, completing the production cycle.

Our components are used in a variety of fields: electronics, lighting, automotive, pharmaceuticals, automation, and industrial devices.
We collaborate with companies seeking reliable partners for customized technical solutions that combine functionality and durability.

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      Talk to an STS Tecnopolimeri technician: we respond quickly.


      Via G.di Vittorio 17
      60035 Jesi (AN) - Italy
      Tel. +39 0731 205369
      sts@ststech.it 


      © STS Tecnopolimeri.    P.IVA: IT01413520428 - REA: AN-129536  - Cap.Sociale €100.000