TOKUDEN CO., LTD.
3437・Standard Market・Metal Products
Business
Tokushu Denkyoku Co., Ltd. is a specialized manufacturer of special welding materials and welding construction, founded in 1933 and incorporated in 1950. In its core Construction & Installation Works segment, the company leverages Wear-Resistant Overlay Welding Construction and special material welding to conduct nationwide maintenance and renewal work on industrial facilities in steel, automotive, cement, and other sectors. In the Welding Materials segment, the company supplies in-house manufactured products such as Flux-Cored Wire through a direct sales system, and also handles Environmental Equipment and Parts for Aluminum Die-Casting Machines. Its main customers include major steelmakers such as Nippon Steel and JFE Steel. Consolidated net sales for FY2026 (ending March 2026) were ¥10,915 million. The company is listed on the Standard Market of the Tokyo Stock Exchange.
Business Model
In Construction & Installation Works, which accounts for approximately 74% of net sales, the company receives orders for maintenance and refurbishment work involving overlay welding on worn parts of customer equipment, securing profit through cost reduction via process management and proposal-based sales. The Welding Materials segment directly sells in-house manufactured Flux-Cored Wire and other products, and also handles internal supply to Construction & Installation Works (¥453 million in FY2026 (ending March 2026)). The Environmental Equipment and Other segment provides complementary earnings for the automotive industry, forming a diversified structure.
Company Strengths
Since its founding in 1933, the company has maintained a broad lineup of welding materials capable of handling hardness levels up to just below diamond, accumulating overlay welding technology specialized in equipment maintenance for the steel, cement, automotive, and other industries. It has an integrated technology base spanning from materials to construction, including in-house manufacturing of Top Plate Construction (wear-resistant clad steel plates) at its own factory.
In FY2026 (ending March 2026), sales to Nippon Steel Corporation amounted to ¥1,427 million (13.1% of composition) and sales to JFE Steel Corporation amounted to ¥1,322 million (12.1% of composition), reflecting an order base diversified across multiple major steel manufacturers. The order backlog for Construction & Installation Works has been accumulating, reaching ¥1,753 million (107.8% of the previous fiscal year), forming a stable sales base.
The company maintains a direct sales system for both welding materials and construction & installation works, practicing customer-focused sales. In FY2026 (ending March 2026), sales of Flux-Cored Wire, the mainstay welding material product, increased 10.7% year-on-year to ¥597 million, demonstrating that the advantages of direct sales are contributing to strengthened sales capabilities. Proposals that resolve customer challenges from both the materials and construction perspectives serve as a key differentiating factor from competitors.
ENVALITH's Perspective
Performance Trend
Revenue expanded 26.7% over five fiscal periods, from ¥8,617 million in FY2022 (ended March 2022) to ¥10,915 million in FY2026 (ending March 2026). On the profit side, however, volatility has been significant since peaking at operating income of ¥809 million in FY2023 (ended March 2023); it plunged sharply to ¥495 million in FY2024 (ended March 2024), recovered to ¥636 million in FY2025 (ended March 2025), but declined again to ¥583 million in FY2026 (ending March 2026). External factors—rising logistics and energy costs and labor costs—have driven continued increases in raw material prices, persistently squeezing profits. The company's forecast for FY2027 (ending March 2027) calls for revenue of ¥11,134 million (up 2.0%) and operating income of ¥445 million (down 23.7%), indicating that the trend of rising revenue alongside declining profit is expected to continue.
Growth Strategy
Centered on demand for extending the service life of equipment, the company is promoting expansion of welding materials sales, development of new industries, overseas expansion, and growth in orders for environmental equipment
The decline in orders for Top Plate Construction was offset by an increase in orders for steel-related maintenance works, achieving Construction & Installation Works sales of ¥8,133 million (up 1.9% year on year). JFE Steel was newly disclosed as a major customer, and the risk of concentration on Nippon Steel is gradually being reduced.
Sales of in-house manufactured products such as Flux-Cored Wire expanded to ¥597 million, up 10.7% year on year. By leveraging the advantages of the direct sales system to develop new customers and deepen relationships with existing customers, total Welding Materials sales reached ¥1,380 million (up 4.5% year on year), with segment profit of ¥141 million (up 5.9% year on year).
The decline in orders for testing and inspection equipment for the automotive industry was offset by increased orders for automotive gear processing and heat treatment lines, resulting in sales of ¥671 million (up 15.2% year on year) and a significant increase in segment profit of ¥107 million (up 90.6% year on year). Diversification of the product lineup has proven effective.
The company continues to strengthen its overseas sales system through two subsidiaries, TOKUDEN TOPAL CO., LTD. and Tokuden Sanaru (Nantong) Machinery Manufacturing Co., Ltd. However, domestic external customer sales continue to account for over 90% of consolidated sales, and expansion of the overseas sales ratio remains a work in progress.
Soaring raw material prices, driven by the worsening situation in Ukraine and the Middle East as well as China's export restrictions, are expected to continue into FY2027 (ending March 2027). The company aims to maintain profitability through thorough cost reduction and strengthened quality control, but the company's forecast for FY2027 (ending March 2027) shows a challenging outlook with operating profit of ¥445 million (down 23.7% year on year).
Last updated: July 19, 2026

