The first batch of subway trains manufactured by China for the Boston subway's new Orange Line is expected to be shipped to the city in December, announced by the manufacturer, CRRC Changchun Railway Vehicles.

The operating speed of the Boston subway new orange train is 63 miles per hour, and it's designed to serve 30 years.

CRRC Corporation Limited (known as CRRC) is a Chinese publicly traded rolling stock manufacturer, formed on 1 June 2015 with the merger of CNRand CSR. As of 2016 it had 183,061 employees,[3] and is the largest rolling stock manufacturer in the world.[6] The parent company of CRRC Corp., Ltd. is CRRC Group, a state-owned enterprise that was supervised by the State-owned Assets Supervision and Administration Commission of the State Council. The State Council also owned additional shares via China Securities Finance and Central Huijin Investment.