Issued by the Manufacturing Industry Support Office, Industrial Department, Kinki Bureau of Economy, Trade and Industry: Featured in "100 Energetic Manufacturing Companies in KANSAI."
**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.
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