Shaping the Future with Aromatic Diamines.

Since its founding in 1955, WAKAYAMA SEIKA has been dedicated to the research, development, and manufacture of aromatic diamines. Leveraging the technological expertise and know-how cultivated over many decades, we have established ourselves as one of the world's leading specialized manufacturers of aromatic diamines.
Our aromatic diamines are widely used in advanced materials developed and manufactured by chemical companies both in Japan and around the world. These materials support the growth of a broad range of industries, including electronics, semiconductors, automotive, and aerospace.

Today, WSKAYAMA SEIKA is moving forward to a new stage of growth.
“Aromatic diamines alone will not change the world. However, without aromatic diamines, the world will not change.”
Guided by this belief, we are combining the technological strengths we have built over the years with the power of creating new value. Our goal is to evolve from a company that manufactures what is requested into one that proactively proposes value and forges the future.

At the same time, we remain committed to safe operations and a stable supply of products as the foundation of our business. By accurately understanding customer needs, contributing to local communities, and giving careful consideration to the environment, we strive to help build a sustainable society.

We sincerely appreciate your continued support and guidance.


President and CEO, Shigehiro Takeda