EEJA Ltd. (EEJA) was founded in 1965 as a joint venture between TANAKA Kikinzoku Kogyo K.K. and ENTHONE Inc.(Former U.S. company, SEL-REX Corp.) In the semiconductor field the company provides precious metal plating processes for both the front-end and back-end of manufacturing. As an essential technology in the field of electronic devices, the company provides plating solutions in a wide variety of industries. The company continues to conduct research in order to be able to respond to requests from many different fields.
A joint venture company with Sel-Rex Corporation, predecessor of Enthone the world's largest surface treatment chemicals company.