In November 2008, witnessed by then Argentine President, CITIC Construction signed a supply contract with the Transport Affairs Secretariat of the Ministry of Federal Planning, Public Investment and Services of Argentina for 45 carriages to Line A of the Buenos Aires Underground . In March 2013, all carriages were officially put into operation. Online carriages are in sound operating condition.
In May 2013, CITIC Construction signed a procurement contract with state-owned Buenos Aires Underground for 105 carriages to Line A. In December 2014, the contract came into effect. By the end of 2015, 25 carriages have been shipped to Argentina, 10 of which are already online for operation.
