COSEL CO.,LTD. is a Japan-based company mainly engaged in the manufacture and sale of direct current (DC) stabilizing power supplies. The Company operates in five business segments. The Japan Production and Sales segment is engaged in the manufacture and sale of unit power supply, on-board power supply and noise filter, as well as manufacture of parts (transformers) used for power supplies. The North America Sales segment and Asia Sales segment are engaged in the manufacture and sale of unit power supply, on-board power supply and noise filter. The Europe Sales segment is engaged in the manufacture and sale of unit power supply, on-board power supply and noise filter, as well as own products. The China Production and Sales segment is engaged in manufacture of unit power supply and exports unit power supplies produced in China to sales companies.
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