New and modern high-capacity machines are used in the production and only highly-skilled professional employees are engaged in the manufacturing process. This results in high quality of our end products. We at Duoplast d.o.o. not only invest in continuous development and technology improvement but take care of our colleagues` s well-being as well.

Thermoplastic injection molding

Duoplast d.o.o. processes all kinds of thermoplastic composites with fiberglass, additives for non-combustibility and UV stability. Our production process assures traceability and enables high-quality finished products.


Parallel to plastic injection moulding we also work in toolmaking by repairing and altering the existing tools alongside with constructing and developing new injection moulding tools. The development of new tools used in the production process is done in close relationships with our partnering businesses.

closing force from 25 to 125 tons

product weight up to 300g

Machine park

The thermoplastic processing plant is equipped with the latest microprocessor plastics injection machines. Injection molding machines have closing forces from 25 to 125 tons and weights of injection molded products from 1g to 300g. For safe and fast handling of injection molded products, our injection molding machines are equipped with robots, feed strips for automatic removal of products from injection molding tools and hydraulic insertion / removal of cores. Injection machines are also equipped with a granulate drying system.


Tool maintenance