Am Erlenbruch 7
63505 Langenselbold

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SIRO-PLAST represents the corporate headquarters of the group. It was originally settled in Oberursel. In 2002, new buildings were moved to Langenselbold. With our convenient location in the greater Frankfurt am Main area we serve customers in Germany and Western Europe.

With a high level of automation, we can offer competitive solutions for single and multi-component injection molding, overmolding, magnetic overmolding and combinations of these technologies.

In addition, we use state-of-the-art monitoring equipment to produce technical extrusion tubes for automotive air management systems. We are the competence center for extrusion, development and projects for the substitution of metallic by plastic components.


Teleki u. 21/A
H 8800 Nagykanizsa

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SIROMA-PLAST was founded in 1990. The business started in a rented factory building with a floor area of ​​350 square meters and 6 employees. Today, Siroma employs 140 people on a 7,200 square meter site. It is our competence center for injection molding, assembly and decoration. We are located in Nagykanizsa in the southwestern part of Hungary and supply international companies in Hungary, France, Germany, Serbia, Slovakia and Romania.

Siroma has the most injection molding machines in the group … and continues to grow. All machines are connected to a central production control center for data backup and process monitoring.

In addition to this console system, we have extensive experience in assembly and decorative processes (e.g., tampon printing and hot stamping). With 45 injection molding machines (standard, vertical, 2K, all-electric), central material supply and our qualified team, we can always offer reliable delivery capability of injection molded parts and assemblies in order to meet your wishes and expectations. Challenge us with your project!


ul. Wyzwolenia 111
PL 85790 Bydgoszcz

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SIROPOL was originally founded as a design office and later expanded its activities to toolmaking, injection molding and assembly. We are located in Bydgoszcz (the toolmaking center in Poland) and supply international companies in Poland, Germany, Slovakia and Switzerland, among others.
SIROPOL offers the complete process chain for tooling (development, creation, testing and acceptance). Due to the vertical integration, we can offer all services (including tool maintenance).

With the use of simulation software, 3D measurement technology (optical and tactile) and state-of-the-art production facilities, our highly qualified engineers work with our customers to shorten development times and increase the quality of their products.

Through regular communication between our plants, we ensure that we can present these added value to all our group customers.

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