Ryoden Corporation, formerly Ryoden Trading Company, Limited, is a Japan-based company mainly engaged in the purchase and sale of various devices and the provision of services. The Company operates in three business segments. The Factory Automation (FA) and Environment System segment sells FA and environment systems, as well as purchases and sells FA and environment systems in China. The Semiconductor and Device segment purchases and sells semiconductors and devices in overseas markets. The Others segment is engaged in the non-life and life insurances agency businesses.