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Shukosha Co., Ltd.   Naoya Mitsutake   March 1954   2162-5 Kaizu-machi, Isahaya City, Nagasaki 854-0063, Japan   +81-957-26-3082   +81-957-26-2605   For details, click here.   30 million yen   148 (as of Oct 1, 2024) Machining, Welding & Fabricating and Assembly of Exhaust-Gas Turbochargers for Diesel Engines, Land and Marine Turbines, and Periodical Inspection of Turbochargers for Turbine Control Equipments NK’s Certification for Welding Skills, ISO9001, Lloyd's Register’s Certification for Quality Scheme Note: NK stands for Nippon Kaiji Kyokai, Japanese ship classification society.

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Marushin Machine Manufacturing Co., Ltd.   Kenji Ikeda   August 1948   2576 Kaizu-machi Isahaya City, Nagasaki 854-0063, Japan   +81-957-26-2882   +81-7-26-6440   10 million yen   29 (as of Oct 1, 2024) Parts for Land Turbines, Marine Diesel Engines and Marine Auxiliary Equipments, and Machining, Welding and Assembly of Parts for Wind Force Machinery, Iron-Manufacture Line Machinery, Various Industrial Plants, etc. JIS and NK’s Certification for Welding Skills, ISO9001

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Shin Nagasaki Seisakusho, Ltd.   Masao Kajihara   February 9, 1988   2083-11, Kaizu-machi, Isahaya City, Nagasaki 854-0063, Japan   +81-957-26-1680   +81-957-26-1976   80 million yen   124 (as of Oct 1, 2024) Pressure Vessels, Heat Exchangers, Piping, Ducts, Dampers, Expansion Joints, Welding and Fabricating of Sheet-Metal-Type Weldments Certification for Welding Skills by JIS, ABS, NK, ASME, Ministry of Health Labour and Welfare, and Ministry of Economy, Trade and Industry

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Hosoki Corporation   Yuko Yukizawa   October 1932   2510 Kaizu-machi, Isahaya City, Nagasaki 854-0063, Japan   +81-957-26-0026   +81-957-25-0261   For details, click here.   9 million yen   40 (as of Oct 1,2024) Machining, Welding& Fabricating and Assembly of the Parts (Burners) for Boilers and Turbines for Power Plants JIS Certification for Welding Skills

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Choryo High Tech Co., Ltd.   Masanori Kimura   November 1983   2165 Kaizu-machi, Isahaya City, Nagasaki 854-0063, Japan   +81-957-26-0917   +81-957-26-2585   For details, click here.   92 Million Yen   87 (as of Oct 1, 2024) Designing and Manufacture of Hydraulic Equipment, Plant Equipment, Small Capacity Fans, etc., Manufacture of Steering Gears, Fin stabilizers, Fans, Compressors, Small Capacity Turbines, Large Valves, etc. ISO9001 (2008 edition), Certification for Welding Skills by Ship Classification Societies (ABS, NK, BV, LR and NV); Codes of JIS, ISO, API and ASME applicable to Grade 1 and Grade 2 Pressure Vessels

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Hoyo Co., Ltd.   Isao Harada   October 1948   2542 Kaizu-machi, Isahaya City, Nagasaki 854-0063   +81-957-26-6943   +81-957-26-9586   For details, click here.   10 million yen   74 (as of Oct 1, 2024) Casting of Parts for Turbochargers, Parts for Steering Gears for Marine Use, Parts for Diesel Engines, Heat-Resisting Parts for Boilers, Turbine Blades, etc. Certification for Casting Skills by LR, NV and KR, ISO9001

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Arita Industries Co., Ltd.   Yoshiko Arita   July 1954   1769-1 Kaizu-machi, Isahaya City, Nagasaki 854-0063, Japan   +81-957-25-1588   +81-957-26-9844   For details, click here.   50 million yen   122 (as of Oct 1, 2024) Products related to Shipping and Fisheries, Architecture, Road & Civil Works, Electric Power & Telecommunication and Agriculture & Stockbreeding JIS Certification for Hot Dip Galvanizing, 25 Certified Skilled Workers for 1st Grade Galvanizing, Certified Skilled Workers for 1st Grade Painting and Certified Corrosion Controllers

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