Busy maintenance in spring
On March 22, the staff of Chongqing power supply section overhauled the insulation equipment of OCS of Shanghai Chengdu line. In recent days, 40 young commandos have been organized in this section to "pulse check" the power supply equipment of Shanghai Chengdu Railway, focusing on the maintenance of the overhead contact line switch, section insulator, insulator and other equipment. If any fault is found, all the faults and defects will be eliminated to ensure the safety of railway power supply. &Photograph by Zhou Ke