YOTAI REFRACTORIES CO.,LTD.
5357・Prime Market・Glass & Ceramics Products
Business
Yotai Co., Ltd., founded in 1936, is a specialized refractories manufacturer that operates two business segments: the "Refractories, etc." segment, which manufactures and sells Basic Bricks, High-Alumina Bricks, and Monolithic Refractories primarily for the steel, non-ferrous metals, cement, glass, and environmental equipment industries; and the "Engineering" segment, which handles the design, construction, and maintenance of industrial kilns/furnaces and environmental equipment. The company has a consolidated subsidiary, Yingkou Yaojin Refractories Import & Export Co., Ltd., in Liaoning Province, China, and provides products and technical services to high-heat industrial customers both in Japan and overseas. Listed on the Prime Market of the Tokyo Stock Exchange.
Business Model
The Refractories, etc. segment (net sales of ¥24,177 million, segment profit margin of 19.5%) serves as the core of earnings, while the Engineering segment (net sales of ¥5,407 million, segment profit margin of 13.9%) generates synergies with product sales by undertaking customers' kiln/furnace design, construction, and maintenance. The company maintains a policy of covering working capital with internal funds, and capital expenditures are also funded from own resources.
Company Strengths
Since its founding in 1936, the company has built a technology base for manufacturing a wide range of refractories for steel, non-ferrous metals, cement, glass, and environmental equipment applications. R&D is conducted collaboratively by the Technical Research Institute and the New Materials Research Institute together with each plant and the Engineering Division, with R&D expenses of ¥322 million in the current period. Product development in new areas, such as refractories for electronic component firing and environmentally conscious refractories, continues.
As of the end of FY2026 (ending March 2026), the equity ratio stood at 81.5%, with total net assets of ¥34,425 million (of which retained earnings were ¥29,367 million). The company maintains a financial policy of funding capital expenditures and dividends with internal funds rather than relying on interest-bearing debt, covering capital expenditures of ¥1,486 million and dividend payments of ¥1,654 million entirely with its own funds in the current period.
By providing refractory manufacturing and sales together with Engineering (kiln construction and Maintenance Works) in an integrated manner, the company has built a system that engages with the entire equipment lifecycle of its customers. While maintaining continuous transactional relationships with major customers, exemplified by sales to Tokyo Steel Manufacturing of ¥4,273 million (14.45% of net sales), the company is also diversifying orders to glass, cement, and non-ferrous metal customers.
ENVALITH's Perspective
Performance Trend
Revenue has maintained growth for five consecutive fiscal years, rising from ¥25,912 million in FY2022 (ended March 2022) to ¥29,585 million in FY2026 (ending March 2026), although the growth rate has been on a decelerating trend. Operating profit peaked at ¥4,090 million in FY2022 (ended March 2022) and has since declined; in FY2026 (ending March 2026) it stood at ¥3,596 million, a modest recovery from the prior period (¥3,484 million), but still 12% below the peak level. Net income came to ¥2,470 million, declining for two consecutive fiscal years. External factors such as persistently high raw material prices and rising labor costs are seen as pressuring profit margins. Cash flow from operating activities fell sharply to ¥2,500 million (restated) from ¥4,431 million in the prior period, with the increase in trade receivables cited as the main cause.
Growth Strategy
Enhance corporate value through four pillars: improving product/service quality, establishing a low-cost structure, developing new revenue sources, and promoting ESG initiatives
Promote increased orders for ceramics, cement, glass, environmental equipment, and non-ferrous metals applications to reduce dependence on the steel industry and expand a stable earnings base. In the Engineering segment as well, orders for environmental equipment and non-ferrous metals applications are on an increasing trend.
Continue implementing price revisions to pass on rising raw material costs to product prices, aiming to defend profit margins. Operating profit for FY2026 (ending March 2026) shows a modest recovery year-on-year, suggesting that the effects of price revisions are materializing to a certain extent.
Continue capital expenditures (¥2,293 million in FY2025 (ended March 2025), ¥1,421 million in FY2026 (ending March 2026)) to reduce manufacturing costs and strengthen the stable supply system. Investment amounts have contracted year-on-year, suggesting a shift toward a rationalization phase.
Against the backdrop of a recovery in the order backlog (¥687 million at the end of FY2025 (ended March 2025), 184.7% year-on-year), expand the sales base for the following fiscal year and beyond. Aggressive sales expansion continues through increased technical service staff and expanded sales branches.
Last updated: July 19, 2026

