Group 1 - The signing ceremony for the Chile Batucó Railway project, undertaken by China Railway Construction Corporation, took place in Santiago, Chile, marking the largest single contract awarded by the Chilean National Railway Company [1][3] - The Batucó Railway project spans 24 kilometers and includes the construction of a passenger service line connecting Quintano Mar and Batucó, as well as the renovation of existing freight rail lines, the construction of 6 new stations, 5 level crossings, and 6 railway bridges [3] - The passenger railway is designed for a speed of 160 km/h, while the freight railway is designed for 65 km/h, with an expected annual passenger volume of 35 million and a total travel time of 24 minutes [3] Group 2 - The project is a key component of the "Chilean Railway Plan" and will effectively connect five cities in the Santiago metropolitan area, facilitating transfers to metro lines 3, 5, and 7 [3] - China Railway Construction Corporation aims to integrate construction and vehicle manufacturing operations in Chile, promoting Chinese technology, standards, and equipment in the Latin American railway market [3]