New Metal,
New Form

We are a leading Japanese manufacturing company based in Tsubame city in Niigata prefecture.
Famous for its metalwork, the city of Tsubame is “the Mecca of metalwork”.
Our company has developed two key brands - “SUSgallery” - a lifestyle brand aimed at utilizing
the formability of pure Titanium and “SEVEN SEVEN” - a product brand conveying
a new value of metals, mainly the stainless steel.
By making use of the technological achievements and developmental abilities of the Kosei
Group, which has gained a big name in metalworking by investing 5 decades into the
metalworking business, we aim to create timeless products that will make
significant contributions towards a sustainable lifestyle.


OEM PRODUCTS Original Equipment Manufacturing Business

All our processes from planning the production of stainless steel and titanium products to various types of processing such as metal pressing, spinning, curling, welding, grinding, and vacuum processing, manufacturing, assembly and packing leverage the integrated production system fostered by us, to meet the various demands.


When making this product, we always wanted to make something original that will also be the first of its kind in the industry worldwide, and we thought of putting in whatever it takes to do so. It all started with several trials. Each day posed a new challenge in front of our technicians who had a deep inclination towards the art of “making things”.



SUS Inc. has developed a key product brand through in-house development and production and an OEM business founded based on a vast experience. The integrated production system ensures a high product quality to convey to the outside world a new sense of value cultivated in Japan, through our metal products that are delivered all across the world.


SUS has been committed to developing revolutionary metal processed products. We take care of everything right from the planning and development of products to their processing, manufacturing, and sales is under one roof. Join us to give your contribution in conveying the essence of “Made in Japan” quality.