The interconnection between internal stations within the company, as well as between various IC card business departments under its umbrella, completes the necessary data synchronization and authentication. Conventional data interconnection synchronization includes IC card data, blacklists, consumption records, card balances, prices, and so on. The system can conduct fund transfer statistics for card customers' stored value, consumption, and other behaviors between affiliated gas companies, and provide mutual stored value, consumption reports, IC card data, and blacklist data sharing and synchronization.