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  3. 宏栄スプリング工業
  4. Issued by the Manufacturing Industry Support Office, Industrial Department, Kinki Bureau of Economy, Trade and Industry: Featured in "100 Energetic Manufacturing Companies in KANSAI."
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  • Sep 21, 2012
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Sep 21, 2012

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

宏栄スプリング工業 宏栄スプリング工業
**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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Notice of Golden Week Holiday Closure

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Thank you very much for your continued support. We, at Marpos Co., Ltd., regret to inform you that we will be closed during the following period. Closure Period: From Saturday, April 25, 2026, to Wednesday, May 6, 2025. Inquiries received during the closure period will be answered sequentially after Thursday, May 7. We apologize for any inconvenience this may cause and appreciate your understanding.

Apr 13, 2026

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Notice of Closure During the 2026 Golden Week Period

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We would like to inform you about the business hours during the GW period, as well as order, shipping, and support services. Please download the PDF to check the schedule. ■ Regarding Orders 1) Orders can be placed at any time on the 【FOSS WEBSHOP】. Stock will be prioritized. 2) Please specify your "desired delivery date" when placing an order. 3) Due to expected high order volume and shipping delays before and after the holiday, please make your requests with ample time. ■ Regarding Customer Support For any malfunctions or issues during the holiday... Customers with maintenance contracts should contact the dedicated number for after-hours support. Other customers can reach us via email. Please provide details such as "model name," "serial number," "symptoms," and "contact person's name." Our customer support will contact you in the order of receipt. E-Mail: service@foss.co.jp

Apr 13, 2026

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[Cast Iron Repair] We will repair cracks that have occurred in metal equipment without applying heat.

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The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact on the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Apr 13, 2026

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【Metal Crack Repair】We repair cracks in metal products without applying heat.

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The "Mechanical Stitch Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without causing any thermal impact to the base material. Repairs can be carried out in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

Apr 13, 2026

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SPACECOOL will exhibit at the comprehensive exhibition for electrical materials and housing equipment, "Jumbo Surprise Exhibition," at two locations in Tokyo and Osaka.

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SPACECOOL Inc., which researches, develops, and sells the radiation cooling material "SPACECOOL" that releases heat into space to achieve zero-energy cooling, will exhibit at the "Jumbo Surprise Exhibition," a comprehensive trade fair for electrical materials and housing equipment, held at Tokyo Big Sight from April 17 (Friday) to April 18 (Saturday), 2026, and at Intex Osaka from April 24 (Friday) to April 25 (Saturday), 2026. This material is a new technology that enables zero-energy cooling by converting heat into infrared radiation and releasing it into space, without using any external power. By implementing it in outdoor air conditioning units and outdoor electrical equipment, it helps suppress internal temperature rises, contributing to stable operation of devices and reduction of air conditioning energy consumption, and is being recognized as a new carbon-neutral technology. Its energy-saving performance has been acknowledged, and this material received the 2025 Energy Conservation Award. When you visit the venue, please stop by our booth. Our booth number is 972 (common for both Tokyo and Osaka). We will continue to work towards expanding the social implementation of SPACECOOL to contribute to the stable operation of outdoor equipment and air conditioning units, as well as to reduce air conditioning energy consumption and CO2 emissions.

Apr 13, 2026

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