Dalian Metro refers to the urban rail transit serving Dalian, Liaoning Province, China. Its first line, Dalian Metro Line 3, was officially opened for operation on May 1, 2003, making Dalian the 6th city of rail transit in mainland China and the 1st city of rail transit in Liaoning Province.
On September 25, the first year of Emperor Xuantong of the Qing Dynasty (1909), Dalian's first tram line was completed and put into operation. This line became the predecessor of Dalian Metro, making Dalian one of the few cities in modern China that opened rail transit.
Till 1950, there were 11 tram lines in Dalian with a length of 65.9 km, forming a rail transit network connecting the city center to the eastern port, southern residential areas, tourist areas, and northwest industrial areas.
Till October 2020, there are a total of 4 Dalian subway operating lines, all of which use the subway system, with a total operating mileage of 157.88 km and a total of 68 stations.
Anyang Railway Equipment Co., Ltd(AT) provided ZX-3 rail fastening systems, DTVI2 tie plates for Dalian Metro Line 2.

Anyang Railway Equipment Co., Ltd(AT) provided V-type low resistance fastening systems, V-type fastening systems, III-type rail spring damper fastening systems, WJ-2A fastening systems, I-type fastening systems for 50kg and 60kg rails, DJK5-1 fastening systems, II-type inspection pit fastening systems, switch sleeper fastening systems, etc for Dalian urban transit line.