JIANGSU CHANGBAO S revenue for the last year amounted to 6.66 B CNY, the most of which — 3.54 B CNY — came from its highest performing source at the moment, Oil Casing, the year earlier bringing 3.70 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought JIANGSU CHANGBAO S 6.66 B CNY, and the year before that — 6.22 B CNY.