BEIJING ROBOROCK TECHNOLOGY CO ., LTD. revenue for the last year amounted to 8.65 B CNY, the most of which — 8.09 B CNY — came from its highest performing source at the moment, Smart Sweeper and Accessories, the year earlier bringing 6.35 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought BEIJING ROBOROCK TECHNOLOGY CO ., LTD. 4.41 B CNY, and the year before that — 3.13 B CNY.