CGTN has partnered with CRRC Corporation Limited, recognized as the world's largest supplier of rail transit equipment, to present "Rails of Progress," an in-depth media report series. This series delves into the transportation infrastructure projects within Belt and Road partner countries, highlighting the role of high-quality Chinese locomotives, equipment, and support services in bolstering local economic development. CGTN's Zheng Yibing explores CRRC in Argentina, where this Chinese company manufactures vehicles for both urban and mainline railway systems.