Officials from Los Angeles and Philadelphia were there in December when Gov. Charlie Baker and representatives from the MBTA came to Springfield to celebrate completion of the first Orange Line cars at CRRC MA’s factory. The transit systems in those two cities are CRRC’s next customers. Los Angeles has ordered 64 subway cars at a cost of $178.4 million, with an option for 218 more beginning in 2021. CRRC will build 45 double-decker passenger cars for SEPTA, Greater Philadelphia’s transit system, for $137.5 million. SEPTA has an option to purchase 10 additional cars after that.