Supply of aggregates in specialized hopper cars for dosing/aggregate and coal cars with unloading at storage yards, as well as trucks for the investment project titled Design and Execution of Works for the task titled Execution of Design Works and Construction Works on the Opoczno Płd. – Olszamowice section related to the establishment of the Pilichowice station as part of the project titled Modernization of Railway Line No. 4 Central Railway Main Line Stage II