Manufacturing and sales of various kinds of electronic material and chemicals required for manufacturing semiconductor package substrates and printed wiring boards

Development, manufacturing and sales of electro-chemicals contributing various industries in all over the world

We started our enterprise as SAN-EI Kagaku Kenkyusho (Laboratory) in 1950. We developed the first hair cosmetic in Japan “EMACOL”, and manufactured and sold it in the domestic market. Based on the technologies cultivated in this field, we entered into the electronics industry. Since then our technologies and reliability have been appreciated by the customers for more than 45 years.


We will continually keep our efforts to establish a firm and an unique technology to contribute to the electronics industry which will be innovating day by day.

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