About ERG


Corporate Profile

BII Transit Systems Hong Kong is an ISO9001:2015 and ISO90003:2014 certified company incorporated and established in 1984. We are expert in automated fare collection (AFC) systems having a long history in providing technology smartcard solutions to Hong Kong transport Service Providers for all modes of transport. Our holding company BII Railway Transportation Technology Holdings Company Limited is listed on the Hong Kong Stock Exchange (Stock code: 1522) BII group specialized in the field of urban rail transit, integrating investment and financing, technology research and development, intelligent rail transport construction, operation and maintenance.

History & Mission

BII Transit Systems Hong Kong (Formerly ERG Transit Systems (HK) Ltd) participated in the delivery of the Octopus Smart Card System which was the first large-scale contactless smart card system in the world. The system was launched in September 1997 and ERG Hong Kong has been providing maintenance and technical services to local transit Operators. BII TSHK was previously named ERG Transit Systems (HK) and prior to that AES Protdata (HK) Ltd. Subsequently BII TSHK completed various AFC projects and systems including the KCRC-Light Rail Line Extension AFC Equipment, MTRC Tseung Kwan O Line AFC equipment, Bangkok Clearinghouse System and Carrot card system, MTRC Light Rail-Ticket Machine Design and manufacture project, New World First Ferry AFC System Upgrade, New World First Bus and City Bus AFC System System upgrade.