business

We utilize the hot forging technology we have developed in manufacturing golf club heads in manufacturing parts for automobiles, two-wheeled vehicles, and agricultural machinery. We have established an integrated system covering everything from development to mold fabrication and manufacturing to meet the needs of global manufacturers. In 2025, we acquired Nichia Forging as a subsidiary and then expanded into manufacturing large forgings and non-ferrous metal products. We are taking on the challenge of creating new value in response to diversifying industries.

Utilizing “Metal Sleeve,” our proprietary 10-µm ultra-thin seamless metal pipe, we have captured the top share of the domestic market for OA device parts. We are now expanding into fields requiring high precision and high strength, such as fuser rollers and heating rollers, as well as automobiles, medical devices, and electronic parts. We will promote the use of our products in the environmental and medical industries, and provide new value with our proprietary technologies.

Since 1968, we have continued to develop as a manufacturer specializing in forged golf club heads. We have been operating an OEM business and selling products under our own EPON GOLF brand, and boast a roughly 80% share of the domestic brand forged iron club head market. We combine craftsmanship and automation technology to improve quality and reduce delivery time. With a base in Japan and in Thailand, we provide trusted products to golfers around the world.

We leverage our strengths in precision forging technology and medical alloy processing to manufacture implants such as artificial joints and bone-junction plates. Our integrated system covers everything from CAD/CAM to inspection, allowing us to flexibly handle even small-batch high-mix production. We are ISO 13485* certified and have won the trust of global companies. We aim to achieve sustainable growth through research and development, with our sights set on markets in Asian countries with aging populations.
ISO 13485 (obtained by Medical Devices Department)

We have obtained certification in the “AS9100 (JIS Q 9100)*” international standard, and are expanding the technology we have developed for medical devices to the aerospace field. Our integrated in-house system covers everything from material procurement to forging, processing, and inspection, allowing us to provide consistent quality and a flexible product supply. Our proprietary constant-temperature forging technology increases precision and strength while reducing costs and lead time. We will set new standards in the aerospace industry through technological innovation.
AS9100 (JIS Q 9100)/ISO 9001 (certification obtained by Aerospace Business Office)