At the top of the chart is Keyence, which makes factory-automation equipment and had average profit margins of 47% between 2000 and 2009.
基恩士名列榜首，它的产品是工厂自动化设备，2000到2009年的平均利润率达47%。
2
Keyence Corporation, a Japanese maker of automation devices for factories, requires its salespeople to spend hours watching its customers’ production lines.