We successfully undertook the design and manufacture of 46 Modern tramcars for Route 54 and Route 55, control and monitor center in the depot, GPS system for 46 tramcars, and controlling parameters of the equipment in the substation by communicating through optical fiber with the center in the depot 4.5 kilometers away, 46 tramcars and all equipment of the engineering have been running well in Changchun, Jilin Province since 2012. Route 54 and Route 55 rail transit connects downtown area of Hongqi Commercial Street, Xi'an Avenue and Changchun West high speed railway station.