Profile of Aichi Quality Companies
Certification No. 408 Manufacture of transportation equipment


A leading nut manufacturer with an integrated production system

Address 22 Miyakoshi, Terazu, Nishio, Aichi 444-0393 JAPAN
Tel +81-563-59-6505

■Company Outline

Since the start of operations, Sugiura Seisakusho Co., Ltd. has put first priority on customer satisfaction in developing new products and technologies to provide higher quality products at lower cost. With this approach, we are highly regarded in the automotive component industry both in Japan and abroad. In addition, we take environmental issues seriously and implement green actions without sacrificing customer requirements.

■Main Products

Nuts for motor vehicles


Hub nuts to hold the wheels in place


Weld nuts for car bodies


Other nuts

■Core Competence

As a specialized manufacturer, Sugiura has a highly integrated manufacturing system for R&D, mold building, forging, machining, surface finishing, and quality inspection. Since the start of operations, under the motto of offering higher quality products at lower prices for greater customer satisfaction, we have been Japan’s largest manufacturer of nuts.
Additionally, we have the best forging technology in the industry, retaining a leading market share both in Japan and overseas.