NITTAN Corporation
6493・Standard Market・Transportation Equipment
Business
NITTAN Corporation is an automotive parts manufacturer whose core products are Small Engine Valves for passenger cars, two-wheeled vehicles, trucks, buses, and general-purpose products, alongside Engine Valves for Marine Use, precision forged gears, Valve Lifters, and other components. Headquartered in Japan (Hadano and Sanyo), the company forms a global corporate group (16 consolidated subsidiaries and 5 affiliates) with manufacturing bases in Taiwan, the United States, Indonesia, Thailand, China, Poland, Vietnam, India, and South Korea. Its main customers include Honda Development and Manufacturing of America (11.9% of sales) and other domestic and overseas automobile, two-wheeled vehicle, and shipbuilding manufacturers, supporting a wide range of industries through the stable supply of internal combustion engine components.
Business Model
NITTAN adopts a multi-site manufacturing model, licensing its self-developed manufacturing technology to overseas subsidiaries and affiliates while conducting local production and local sales at bases in each country. Small Engine Valves account for approximately 80% of net sales, complemented by Marine Parts, Gears, and Others. The company aims for a structure that enhances profitability through passing on cost increases via sales price adjustments (price optimization) and expanding sales of high-value-added products (such as hollow-stem engine valves).
Company Strengths
The company has manufacturing bases in Taiwan, the United States, Indonesia, Thailand, China, Poland, Vietnam, India, and South Korea, achieving supply optimization through multiple locations. Small Engine Valves sales reached ¥41,476 million in FY2026 (ending March 2026), and the company continues to invest aggressively in growth markets, including increased production of hollow-stem engine valves for Europe and capital investment of ¥732 million in its India base.
The company is advancing the development of next-generation refrigerant-filled hollow valves and proposing valves for hydrogen and alternative fuel engines to customers. Increased orders for hollow-stem engine valves for Europe and domestic markets contributed to Small Engine Valves segment profit of ¥3,841 million (up 63.2% year on year) in FY2026 (ending March 2026). The company invested ¥624 million annually in research and development, working to maintain its technological edge.
At the end of FY2026 (ending March 2026), the equity ratio stood at 46.3%, the current ratio at 224.3%, and the quick ratio at 141.6%, indicating a sound financial base. Operating cash flow increased significantly to ¥7,784 million from ¥4,304 million in the previous fiscal year, and cash and cash equivalents reached ¥11,565 million. The company maintains a stable fund-raising structure centered on long-term borrowings.
ENVALITH's Perspective
Performance Trend
Revenue increased 33% over five years, from ¥38,670 million in FY2022 (ending March 2022) to ¥51,676 million in FY2026 (ending March 2026). However, since FY2025 (ending March 2025) revenue has remained largely flat (¥51,446 million → ¥51,676 million, up 0.4% year on year). Meanwhile, operating profit surged 165.2% from ¥1,508 million in FY2025 (ending March 2025) to ¥3,998 million in FY2026 (ending March 2026). This sharp recovery reflects the fading impact of the fire affecting Marine Parts, normalization of profitability in North America, price pass-through, and the effect of yen depreciation, all combining to significantly improve the operating margin from 2.9% to 7.7%. Net profit attributable to owners of the parent also rose 253.4%, from ¥630 million to ¥2,227 million. Operating cash flow increased 81% year on year to ¥7,784 million, and the cash balance built up to ¥11,565 million.
Growth Strategy
Accelerating growth through three pillars toward achieving NC10: advancement of ICE technology, new EV business initiatives, and M&A
Continuing to expand orders for high-value-added products such as hollow-stem engine valves while optimizing selling prices. Implemented price pass-through both domestically and overseas in FY2026 (ending March 2026), achieving an operating margin of 7.7%. Capturing stable demand for internal combustion engine components amid continued HEV/PHEV demand.
Implementing additional capital investment for the Indian market, where electrification is expected to take longer, to build a stable supply system for high-value-added engine valves. Aiming for continued expansion of business in India through strengthened cooperation between Nittan India Tech and the Shinwa Seimitsu Group.
Acquiring an additional 16% stake in Shinwa Seimitsu Co., Ltd. (manufacturer and seller of Valve Lifters), a Korean equity-method affiliate, to achieve majority ownership. Share acquisition scheduled for June 1, 2026. The aim is to expand sales in North America and India and to generate group synergies.
Advancing commercialization of new products for xEV and non-automotive fields. Orders have already been secured for some products, and overseas growth investment leveraging the business alliance with Yokohama Capital is being steadily pursued with attention to investment discipline and profitability.
Promoting DX initiatives such as core system renewal to enhance visibility and traceability in manufacturing processes, along with automation and labor-saving investments to improve productivity. Aiming to strengthen profitability through QMS restructuring to prevent quality risks in advance and reduce defect rates.
Last updated: July 19, 2026

