Business
BII-ERG under BII Technology Holdings has been responsible for the PIS operation and maintenance of MTR Subway Line 14 and 16 in Beijing since 2017. The scope of operation and maintenance includes a business control center, all the hardware and software contained in the station sub-system and the low-voltage power supply equipment of center and the station room to ensure that the PIS system of Line 14 and 16 is stable, efficient and safe and provides passengers with real-time, accurate and diverse information and improve the ability of the line to deal with emergency failures, improving the quality of subway service and service levels.