宏栄スプリング工業 Company Overview

**Ultimate Handmade High-Precision Springs** Koei Spring Industry Co., Ltd. (Design, manufacturing, and sales of various springs, design, manufacturing, and sales of couplings (power shaft joints)) ○ Business Overview and Catalyst for Growth This is a specialized manufacturer of springs that focuses exclusively on custom products and high-precision items, without paying attention to mass-produced goods in home appliances or automobiles. Their clients span diverse fields including aerospace, oil plants, construction machinery, heavy electrical equipment, vehicles, ships, large bridges, aquaculture fishing gear, and spectator seats. The sales figures provide insights into the economic conditions of each sector. ○ Company Strengths and Main Products The manufacturing policy is based on consistent handmade production. They have all the necessary manufacturing machinery and also engage in joint machine development with machinery manufacturers. Materials are developed in collaboration with manufacturers as well. The company is a development-oriented enterprise with internal standards that are stricter than JIS standards. They produce approximately 10,000 types of products annually, ranging from small springs with a wire diameter of 0.1 mm to large springs weighing 450 kilograms. They even have an in-house laboratory, and they possess unique technologies that allow them to manufacture cylindrical coil springs with a wire diameter of over 100 mm, a capability that is unmatched globally. ○ Future Business Development The aerospace sector is a growing field that aligns with the company's direction, as it demands precision and high performance.

World-class handmade springs that can only be produced by artisans. A great leap from space to the ocean floor!! ○ One-of-a-kind custom springs created by the skills and know-how of craftsmen Koei Spring Industry is a specialized manufacturer of custom-made handmade springs. They produce a wide variety of products, including cold and hot compressed coil springs, extension coil springs, clock springs, leaf springs, and couplings. Their clients exceed 700 companies, ranging from aviation to shipbuilding and robotics. With craftsmanship that machines cannot replicate, they respond to any advanced requests from users. "In particular, we possess the world's best know-how for large cylindrical coil springs that require hot processing. We are the only company in the world capable of manufacturing giant cylindrical coil springs with a wire diameter of over 100 millimeters," says President Irifune. ○ Thorough pursuit of high quality and precision, advancing to space with the spirit of Osaka The company guarantees high quality through rigorous checks by craftsmen and state-of-the-art inspection equipment. They maintain a manualized management system with visual inspections at the time of material acceptance, checks at each stage, and the latest inspections. Their dream is to be a company that lasts for 5 billion years. At the core is a manufacturing style that can only be achieved because they are in Osaka. They will continue to uphold a management style characteristic of the people of Osaka.

【Kansai-Asia Environmental and Energy Conservation Business Exchange Promotion Forum (Team E-Kansai) Water Subcommittee Member】 - The Kinki Bureau of Economy, Trade and Industry and the Osaka Chamber of Commerce and Industry jointly established and operate the secretariat. 【Regular Member of the Next Generation Aircraft Parts Supply Network】 - An organization certified as a specific community by the "Kansai Front Runner Project" developed by the Kinki Bureau of Economy, Trade and Industry, Ministry of Economy, Trade and Industry (Promoting Organization: Neo Cluster Promotion Community).