Group 1 - The maintenance personnel from Hangzhou Power Supply Section conducted concentrated repairs on the contact network and other equipment of the Hangzhou-Taipei High-Speed Railway [1] - The maintenance personnel from Hangzhou Electric Section performed inspections along the Hangzhou-Taipei High-Speed Railway line [2][5] - The use of multifunctional comprehensive work vehicles for the repair of local power supply equipment on the Hangzhou-Taipei High-Speed Railway was reported [3] - The Ningbo Engineering Section's maintenance personnel operated a track inspection instrument on the Hangzhou-Taipei High-Speed Railway line [4] - The use of inspection drones by Hangzhou Power Supply Section personnel for inspecting the contact network and other equipment was noted [6]