Our mission is to actively develop new fields and contribute to improvement of people's lives as well as the global environment, without adhering to existing concepts.

We’d like to thank you for visiting our website.
My name is Yuji Hirono, and as of April 1, 2023, I have taken on the role of President and Representative Director of Sekisui Seikei co., ltd.

Sekisui Seikei co., ltd. was established in 1981 through the merger of three companies,
each with its own molding technology: Extrusion, Blow molding , and Stretch.
Since then, as a comprehensive plastic manufacturer, we have delivered a diverse range of products closely related to people's lives and have continued to grow.
This is all thanks to your support, and we sincerely appreciate it.

In today's world, where is facing many issues, the wishes for safe and secure daily life and richer life is increasing day by day. In this context, our high performance plastic products,
which we have been creating with confidence, have become increasingly indispensable for a sustainable society demanded by the times.

We will continue to respond to the expectations of our customers and society in various fields by utilizing our molding technology, sophisticated quality, and development capabilities.
Furthermore, we will integrate and utilize the overall strength of the Sekisui Chemical Group to promote global expansion, and we shall contribute to solving various social issues in the world as well as in Japan.

Each and every employee shall work with pride and their utmost effort to continue to be “the irreplaceable company" that can contribute to the future society, “the reliable company," and “the company that can create chemical reactions."
We kindly ask for your continued warm support in the future. I’d like to thank you very much.