We produce precision sheet metal made from materials such as iron, stainless steel, and aluminum. We make the best use of the knowledge and expertise we have developed over 67 years since the establishment, so we can handle any kind of customer request from product design to assemblyISO9001:2000 has been acquired.

Our main strength is in integrated production of signboards and support columns. We can also perform a wide variety of other metal processes in small amounts. We have obtained ISO9001 certification, and can provide the total support required for our customers’ needs, from design and development, to manufacture, construct, and service. Production site is also located in Kyushu. We have also established Compass, a graphic display room at Seifu Shinto. With the introduction of a Scotch Print System and other equipment, we have improved our abilities in the areas of advertising, interior and exterior renovation, and outdoor signs. Our group companies are also located in Yamaguchi, Matsue, and Fukuoka.

'We got our start in metal engraving, and have gone on to develop technology in etching, anodized aluminum processing, and screen printing. We have also applied our company’s technologies to the field of electronics and fuel cell parts. We are capable of rapid production of a variety of items, and are continually searching for new advanced technical challenges. We also maintain a sales office in Tokyo, and have acquired ISO9001:2000 and ISO14001:2004 certifications.

70 years after its founding, we have been an technical group that aims to respond to all needs for designing, processing, inspecting and assembling mechanical equipments based on a variety of gears, and processing from single product to mass-produced products.Changzhou Hirosei Dendo Ltd. (the Chinese factory) celebrated it's 10th anniversary. We will always challenge new manufacture.

Our company specializes in metal(mainly steel parts) heat treatment in all fields from “bulk thermal refine” to “surface treatment”. Our main customers include Mazda which is headquartered in Hiroshima, primary automobile parts manufacturers, and large-size construction machine manufacturers, and we appreciate their continued support. Since the foundation, we have been advancing along with the development of the automobile industry. We have received ISO9001 certification for all of our plants. While placing safety and environment above anything else and maintaining a good balance between technology, sales, and management, we will continue our effort to provide QCD (quality, cost, delivery) that satisfies customers and try to achieve a higher degree of strength and precision in our heat treatment components.

Starting with the production of clasps for tabi or traditional Japanese socks, Sumino Kogyo has recently been specializing in precision metal stamping. The company can handle any type of production, including for multiple products, large and small lots. Sumino Kogyo is currently producing 3,000 items, and is now attempting to obtain ISO-9002 certification. Sumino Kogyo obtained ISO-9002 certification in January 1998, ISO9001:2000 certification in November 2003, ISO14001 certification in August 2002 (migrated to 2015 version in 2018), and ISO/TS16949 certification in October 2008 (migrated to IATF16949 in 2017).

Tamaya Metals manufactures automobile parts. Using our top-of-the-line 600-ton AP press, and our 400-ton and 250-ton press lines, we deliver high-quality, high-precision products. In addition, we manufacture our own dies, and our technical ability for die manufacturing has been highly rated. We obtained ISO9001 certification in March 2003.

JSW supports key industries in the world and contributes to the global society. JSW manufactures products aiming to be the top technology company. We acquired the ISO9001 certification in 1994and the ISO14001 certification in 1998. JSW aims to be a company that contributes to society by creating change with our original technology. We would like to ask for your support and encouragement.

Tobayashi Tekko focuses on establishing itself as a company that can cater to the demands of its customers by offering small to large products, drawing upon extensive technological capability accumulated over the 60 years since its foundation. Offering products based on can manufacturing, sheet metal, and machining technology, Tobayashi Tekko is striving to achieve thorough quality control and cost reduction. ISO9001Certification has been acquired.