Machines and their parts for working and processing plastic materials, namely, pelletizing machines, spin beams, spin pump gears, extruders, screw extruders, single-screw extruders, extrusion machines for mono- and multi-filaments, dryers for multi-filaments, dryers for bulk materials, recycling machines, process water machines, and pullers for pulling round or square profiles, pipes and tubes, and sheets and films

Treatment of materials, namely, working and processing of plastic materials

Scientific and technological services and research and design in the field of plastics processing; industrial analysis and research services in the field of plastic processing; design and development of machines and apparatuses for working and processing plastic materials