CHINA RAILWAY SIGNAL & COM CORP LTD revenue for the last year amounted to 34.56 B HKD, the most of which — 32.04 B HKD — came from its highest performing source at the moment, Rail Transportation Control System, the year earlier bringing 32.33 B HKD. The greatest contribution to the revenue figure was made by China — last year it brought CHINA RAILWAY SIGNAL & COM CORP LTD 32.56 B HKD, and the year before that — 39.24 B HKD.