Core Viewpoint - Poland has officially signed a preliminary agreement to join NATO's oil pipeline system, aiming to connect its national fuel infrastructure to NATO's network [1] Investment and Project Details - The total investment for the project is approximately 20 billion zloty (around 39.6 billion RMB) [1] - The project will involve the construction of a 300-kilometer oil pipeline and supporting storage facilities [1] - The pipeline will extend from the Polish-German border to the strategic storage base of the Polish National Railway (PERN) near Bydgoszcz [1] - Additional fuel storage facilities will be constructed to support NATO forces [1]