CASTECH INC revenue for the last year amounted to 782.00 M CNY, the most of which — 250.72 M CNY — came from its highest performing source at the moment, Precision Optical Components, the year earlier bringing 280.47 M CNY. The greatest contribution to the revenue figure was made by China — last year it brought CASTECH INC 466.35 M CNY, and the year before that — 374.04 M CNY.