BEIJING LIER HIGH- revenue for the last year amounted to 5.65 B CNY, the most of which — 3.18 B CNY — came from its highest performing source at the moment, Refractory Overall Contracting, the year earlier bringing 3.06 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought BEIJING LIER HIGH- 4.43 B CNY, and the year before that — 4.56 B CNY.