| Company Name | Nagaoka Seisakusyo Co., Ltd. |
| Main Products | Precision machined parts Cold-formed parts (Complete in-house production including heat treatment and surface treatment) |
| Executives | President & CEO: Daisuke Tsuchida Director: Masanobu Ohtake Director: Tetsuya Midome Auditor: Shoichi Shimada |
| Number of Employees | ■Head Office & Factory: 56 ■Tokyo Sales Office: 4 |
| Capital | 45 million yen |
| Fiscal Year End | March (once a year) |
| Established | November 20, 1943 |
| Office Locations | Head Office & Factory Address: 2-3-62 Tekko-cho, Nagaoka-shi, Niigata 940-2022, Japan TEL: +81-258-27-0455 FAX: +81-258-27-0795 Tokyo Sales Office Address: 3-1-6 Tekkodori, Urayasu-shi, Chiba 279-0025, Japan TEL: +81-47-353-1331 FAX: +81-47-353-1335 |
| Business Description | Certifications: ISO 9001 and ISO 14001 Key Strengths: Offers comprehensive production from material selection and process design to machining, heat treatment, and surface finishing. Equipped with numerous CNC lathes and machining centers for optimal process planning and high-quality finishes. Supports high-volume production of small parts through cold forging. In-house equipment handles secondary processes not feasible by forging machines. Capable of micron-level precision using cylindrical and centerless grinders. Ensures mechanical properties with tensile and Charpy impact testing. Geometric tolerances guaranteed using 3D measuring systems and roundness testers. |
| Main Banks | The Shoko Chukin Bank, Ltd. – Nagaoka Branch Daishi Hokuetsu Bank – Nagaoka Sales Department Resona Bank – Nagaoka Branch |
| Affiliated Companies | Shibamoto ＆ Co., Ltd. New Holland HFT Japan, Inc. NAIGAI Co.,Ltd. FUNABORI GOLF＆ Co., Ltd. Suzuyoshi Syoukai＆ Co., Ltd. |