Since Heisen Yoko is established in 1919, we have been operating for over a century with the support of our customers.
We started as a specialized distributor importing rubber chemicals from Germany and Supplying them to domestic manufacturers. Since then, we have expanded our business to focus on chemical products, with a commitment to our management philosophy of "not only pursuing our own profit but also contributing to our customers and society through our business".
Heisen Group provides products, information, and services through a collaborative structure of four companies, Koyo Sangyo, which handles the plastic products, H&K, which produces adhesives and casting materials for urethane, and Heisen Trading (Shanghai).
Heisen Group prioritizes compliance with laws and environmental considerations as key aspects of our operations. We strive to contribute to our employees, customers, and local communities, and aim to remain a trusted and valuable presence.
