BEIJING - China North Locomotive and Rolling Corp Ltd (CNR), the country's second-largest train maker, announced on Thursday that its subsidiary has signed a contract with Hong Kong's MTR Corporation to sell its self-developed diesel locomotives.

The deal involves 23 diesel locomotives with a power of 830 Kw and maximum speed of 80 km per hour, which have been designed and produced according to advanced international standards, according to the CNR.

The locomotives have met the strict EU stage IIIB emission standards and their operating noise is below 70 decibels, compared with the 78-decibel standard in the Chinese mainland.

The first locomotive will be delivered in March 2014 and receive a 5,000-km operational test, said the CNR.