BEIJING -?China CNR Corporation Ltd., one of the country' s biggest train makers, said Tuesday that it will produce 15 subway trains for Brazil that can operate in high temperatures.

The Changchun Railway Vehicles Co. Ltd. of the China CNR Corporation Ltd.has signed contracts with Brazilian MetroBarra company to produce 15 subway trains, including 90 cars, for the 2016 Olympic Games in Brazil.

The subway train will be equipped with China's first single air-conditioning unit that has a refrigerating capacity of 50 kilowatts, which will allow the train to operate in temperatures as high as 56 degrees Celsius.

The trains will shuttle on line four between the Olympic village and the Copacabana game center in Rio de Janeiro at speeds of up to 100 kilometers per hour.

CNR was created following a reorganization of the China Northern Locomotive and Rolling Stock Industry (Group) in June 2008. Its products are used in more than 40 countries and regions.