CASTEMA HEAVY INDUSTRIES CO., LTD.

About CASTEMA HEAVY INDUSTRIES CO., LTD.

Established in February 2016, CASTEMA is the second overseas production base of the Ota Casting Group (Hiroshima, Japan). We provide a stable supply of high-quality cast iron products that meet international standards, specializing in the manufacturing of large-scale industrial machinery components designed for high-load applications.

◆ Stable Casting Technology Based on Japanese Quality Standards
With expert Japanese technical staff permanently stationed on-site, we ensure a stable production process compliant with Japanese quality standards. Our products are ideal for large machinery parts requiring high strength, superior dimensional accuracy, and long-term durability.

◆ High Quality & Rapid Response through Integrated Production
CASTEMA works in close collaboration with our group affiliate, O-Cast Thai Co., Ltd. (a specialized machining facility), to offer an integrated production system. This partnership allows us to:

- Enhance flexibility in quality control.
- Significantly reduce lead times.
- Optimize costs to meet the diverse needs of domestic and international clients.

◆ Global Capability via Thailand Production Base
By maintaining a strategic production hub in Thailand, we minimize transport lead times and logistics risks. This location enables rapid and seamless communication with our global customers, particularly across the Asian region.

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■ Key Industries Served
- Shipbuilding: Intermediate bearings, engines.
- Printing Machinery: Frames, beds, cylinders.
- Injection Molding Machinery: Platens, beds.
- Machine Tools: Columns, beds, spindle heads.
- Steel Mill Machinery: Furnace covers, frames, furnace mouth hardware (water-cooled and non-water-cooled).
- Semiconductor Manufacturing Equipment: Bases, structural components.
- Automotive Manufacturing Machinery: Mold holders.
- Metal (Aluminum) Forming: Ingot cases, dross pans, ash pans.

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■ Production & Service Scope
- Materials: Cast Iron (FC, FCD, FCH).
- Product Weight: 100 kg to 4,000 kg.
- Engineering Support: CAD/CAM design support to optimize manufacturing quality and mitigate production risks.
- Integrated Processes: From casting and stress-relief annealing to surface treatment and painting.
- Quality Control: Strict quality management system based on Japanese standards.