Nippon Crucible Co., Ltd.
5355・Standard Market・Glass & Ceramics Products
Business
Nippon Crucible Co., Ltd. is a long-established refractories and industrial furnace manufacturer founded in 1885, with a history spanning 141 years since its founding. The company comprises four segments: the Refractories Business (50.9% of net sales), which manufactures and sells graphite crucibles and shaped and unshaped refractories; the Engineering Business (40.8%), which handles the design, construction, and environmental engineering of various industrial furnaces; the Real Estate Business (3.7%), covering real estate leasing and solar power generation; and Other (4.6%), which covers Paint Circulation Equipment. Its main customers are the automotive-related industry, foundry industry, and steel industry, making it a materials and equipment infrastructure company that broadly supports manufacturing industries both in Japan and overseas. Consolidated net sales were ¥10,221 million (FY2026 (ending March 2026)).
Business Model
In the Refractories Business, the company manufactures Graphite Crucibles & Shaped Refractories and Unshaped Refractories in-house and sells them to the casting and steel markets. In the Engineering Business, the company provides integrated services from industrial furnace design and construction to furnace repair and maintenance work, generating recurring revenue through ongoing services after installation. Group-wide synergies from utilizing in-house refractory materials in industrial furnaces form a competitive advantage. The Real Estate Business (operating margin of 55.1%) supplies stable cash flow, complementing funding sources for R&D and capital expenditure.
Company Strengths
The company owns the industry's latest and largest-class molding equipment "CIP (Cold Isostatic Press)," enabling efficient production of high-value-added products such as high-compression crucibles and large-sized crucibles. Following the large CIP, a large firing furnace was newly introduced, significantly improving productivity and quality performance. In addition to manufacturing its own products, the company also offers contract manufacturing services, with its equipment advantage serving as a differentiating factor versus competitors.
The company has an in-house group structure capable of handling everything from refractories manufacturing to industrial furnace design/construction and furnace repair/maintenance work. The ability to utilize its own refractory materials in industrial furnaces is a differentiating factor versus competitors, and subsidiaries such as Shinbo Rozai Kogyo, Sanyu Chikuro, and Nakahashi Hoon Kogyosho complement the Engineering Business's responsiveness. In FY2026 (ending March 2026), the Engineering Business's operating profit was ¥605 million, up 34.4% year on year.
The Real Estate Business (Building & Parking Lot Leasing, Solar Power Generation) is a highly profitable segment, with FY2026 (ending March 2026) sales of ¥379 million and operating profit of ¥209 million, representing an operating margin of 55.1%. It functions as a stable revenue source less susceptible to economic fluctuations, underpinning the group's overall financial base. The equity ratio remains healthy at 51.3%.
ENVALITH's Perspective
Performance Trend
Revenue grew for five consecutive fiscal years, from ¥8,675 million in FY2022 (ending March 2022) to ¥10,221 million in FY2026 (ending March 2026), surpassing ¥10,000 million for the first time. Meanwhile, operating profit declined 13.4% year on year, from ¥473 million in FY2025 (ending March 2025) to ¥410 million in FY2026 (ending March 2026). The main cause was a sharp 45.5% decline in operating profit in the Refractories Business, from ¥461 million to ¥251 million, driven by lower orders from the steel industry (Refractories for Steel Industry revenue down 16.0% year on year) and rising costs. Progress on large-scale projects in the Engineering Business (Industrial Furnaces (Freedom) revenue up 51.0% year on year) partially offset this decline but was insufficient to fully compensate. On the external environment front, automobile production volumes have recently turned to year-on-year growth, but U.S. trade policy, the situation in the Middle East, and the continued downward trend in crude steel production are heightening uncertainty going forward. For FY2027 (ending March 2027), the company forecasts operating profit of ¥600 million (up 46.3% year on year), premised on continued growth in the Engineering Business and a recovery in the Refractories Business.
Growth Strategy
Leveraging comprehensive solution capabilities in refractories and industrial furnaces, the company aims for ordinary income of ¥2,000 million and net sales of ¥20.0 billion by 2040
The company continues to accumulate large-scale orders for its proprietary industrial furnace brand, Freedom, driving sales and profit growth in the Engineering Business. In FY2026 (ending March 2026), sales in this business reached ¥4,167 million, up 19.3% year on year, while operating profit reached ¥605 million, up 34.9% year on year. For FY2027 (ending March 2026), the company has set a policy of increasing orders through proactive sales activities.
The company has secured stable orders centered on private-sector incineration equipment, with sales in the Environment & Construction Business reaching ¥2,620 million in FY2026 (ending March 2026), up 6.0% year on year. Business expansion and synergy creation in the thermal insulation and refractory construction domain are also underway following the consolidation of Nakahashi Hoon Kogyosho as a subsidiary (which resulted in a gain on negative goodwill of ¥37 million).
The company is promoting productivity improvement and cost reduction through active investment in plant manufacturing facilities (acquisition of tangible fixed assets of ¥474 million in FY2026, ending March 2026). Operating profit in the Refractories Business deteriorated significantly in FY2026 (ending March 2026), falling 45.5% year on year to ¥251 million, making the realization of profitability recovery through the effects of capital investment an urgent priority. For FY2027 (ending March 2026), the company has explicitly stated a policy of further promoting cost reductions.
The company is promoting sales expansion of its new products, LITETEX and Eremax, which address energy-saving and decarbonization needs, along with new expansion into the electronic device field, the metal powder melting market, and the induction furnace market for EVs. Cultivating new demand areas will be key to the mid- to long-term growth of the Refractories Business, in response to structural changes in demand for casting driven by the shift to EVs in the automotive industry.
Last updated: July 19, 2026