Technology / product information

Daido Steel (Thailand) Co., Ltd. was established in 2015 and began operations in Thailand in 2016. As a subsidiary of the Daido Steel Group, the company specializes in precision forging using high-speed horizontal hot forging (SHF) equipment with a maximum forging capacity of 1,300 tons. This allows for highly efficient production. By integrating cold rolling (CRF) into a unified process, Daido Steel (Thailand) is able to efficiently produce complex and high-precision parts such as gears and clutch components. Located in Pinthong Industrial Estate, Thailand, the company focuses on delivering high-quality products to the automotive, agricultural machinery, and other industrial sectors.

◆ Group Companies by Country
Head Office:
Daido Steel Co., Ltd. (Higashi Ward, Nagoya, Japan)

In Thailand:
・ DAIDO DMS (THAILAND): Processing and sales of mold plates, heat treatment, and surface coating
・ THAI SEISEN: Production and sales of stainless steel wire
・ Daido Electronics (Thailand): Manufacture, processing, and sales of magnetic materials and electronic components
・ Daido Kogyo (Thailand): Import, export, and sales of steel and steel products
・ SIAM DKT: Sales, installation, maintenance of machinery and equipment, as well as consumables
・ DAIDO SHIMOMURA STEEL MANUFACTURING (THAILAND): Round bar processing via drawing method

◆ Business Scope
The company focuses on producing gear components, clutch hubs, and sleeves for powertrain systems using a hybrid SHF and CRF forming process. The process supports parts with outer diameters of up to φ180 mm and is highly recognized in agricultural machinery sectors requiring complex shapes and high dimensional accuracy.

◆ Technical Capabilities
With hot forging using SHF machines boasting a 1,300-ton capacity (50 SPM, 3,000 pcs/hour), combined with post-forging cold rolling, the process significantly improves dimensional precision, reduces material loss, and minimizes machining steps. This fully integrated system helps lower overall costs and lead times effectively.

◆ Material Capabilities
The company can accommodate various materials based on specific usage and strength requirements. Please contact us for further details.

◆ Achievements and Quality Standards
Supported by technical expertise from Daido Steel Group in Japan, the company operates under global quality standards. With extensive experience, it ensures high reliability and full compliance with customer specifications across all products.

◆ Quality Control System
Strict quality control is enforced throughout all stages—from hot forging to cold rolling and final inspection—to ensure stable delivery and full traceability.

◆ Manufacturing System
All manufacturing processes including material cutting, forging, heat treatment, cold rolling, and inspection are performed in-house. This enhances production efficiency and ensures prompt delivery.

◆ Key Customers and Achievements
The company has a proven track record in mass-producing forged parts across a wide range of industries requiring high reliability and stable delivery, particularly in automotive and agricultural machinery sectors.

◆ Why Customers Choose Us
・ Hybrid SHF×CRF forging process that reduces production steps, lowers costs, and maintains consistent quality
・ High-speed hot forging system capable of up to 3,000 pcs/hour
・ Expertise in producing complex-shaped parts and high-precision gears

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