Beijing Metro will carry out LED energy-saving renovation on 7 lines
In recent years, Beijing Metro has completed the special LED transformation of 4 lines and 5 vehicle sections of Metro Line 1, Line 2, Line 5 and Batong Line, and promoted 100,000 LED lighting. Next, the passenger compartment lighting LED transformation will be carried out on 7 lines including Metro Line 6, Line 7, Yizhuang […]
