Wakayama Seika Kogyo Co., Ltd. celebrates its 70th anniversary on May 27, 2025. We would like to express our heartfelt gratitude to everyone who has supported us throughout the years.

Founded as a manufacturer of intermediates for yellow pigments, Wakayama Seika has grown to become a trusted supplier of aromatic diamines, our core product, to customers both in Japan and overseas.

Without being content with our current achievements, we will continue to pursue further growth and development under our slogan, “Challenging unlimited possibilities” striving to meet and exceed our customer expectations.

We sincerely ask for your continued support and guidance in the years to come.