INOUE SHOJI Co., Ltd.

Originally founded in 1947 as a supplier of building materials, Inoue Shoji is now a manufacturer and distributor of aluminum drainpipes and other products. We started making aluminum construction materials in 1977, followed by aluminum drainpipes in 2003. We pioneered the production of aluminum drainpipes in Japan, and still enjoy the largest section of the market today.Annual sales in the aluminum building materials field in Japan are 5 billion yen.The head office is located in Fukui prefecture, which is almost in the center of Japan. And 12 branches and sales offices cover the whole country.
We do more than just sell products to clients. Our aim is to provide superlative new products and excellent service through ceaseless innovation, a streamlined management system and the flexibility to adapt quickly to the evolving needs and expectations of the industry. We remain committed to product development and improving technical standards.

Our philosophy as a manufacturer

“Challenging spirit” DNA that inherits the innovation

As a manufacturer of aluminum construction materials, we are committed to “maintaining a consistent supply of products sought by the customers.” To this end, we strive to utilize advanced technology and expertise to develop products that transcend conventional expectations and open up new markets. All our employees are united in their dedication to supplying products that meet the needs of our clients through the design and development of innovative production technology.

To provide safety and quality

Delivering only products that pass our stringent safety and quality tests

"Reliability" is easy to say, but harder to do. However from the clients' perspectives, "reliability" is everything. At Inoue Shoji, as an aluminum specialist, we insist on the most exacting safety and quality standards for all our products. We are constantly refining and improving our technology in humble attitude so that we can have full confidence in our products. Also, we are going to work harder for environmentally friendly manufacturing.