Technology / product information

Kobayashi Casting possesses the capability to produce precision metal components for the semiconductor industry using lost wax casting, especially for intricate parts such as nuts mounted on circuit boards. With a fully integrated production system at our Vietnam factory, we manage the entire process in-house - from mold design, wax injection, casting, machining, surface treatment, to quality inspection - ensuring short lead times and consistent quality.

Advantages of Kobayashi Casting’s Lost Wax Technology
- Versatile Industry Applications
In addition to serving the semiconductor sector—where microstructure precision, material stability, and dimensional accuracy are critical—we also cast components for medical devices, water and gas systems, and various industrial machinery.
- Japanese-Standard Precision
All production processes are managed under JIS standards, ensuring stable dimensional accuracy and material consistency.
- Fully Integrated Production Line
End-to-end control from mold design, lost wax casting, precision machining, to surface finishing, all under one roof.
- High-Precision Machining
Capable of secondary machining tolerances up to ±0.01mm, suitable for intricate and critical parts.
- Wide Range of Materials
Expertise in casting various stainless steels such as SCS13, SCS14, CF3M, 1.4581, and 17-4PH.
- Strict Quality Control
Comprehensive or sampling-based inspection using metal analyzers, hardness testers, and 3D coordinate measuring machines (CMM).
- Advanced Design Capability
Mold design using 3D software such as Pro/E, AutoCAD, and SolidWorks for optimized precision and functionality.
- Export Experience
Over 90% of products are exported to the US, Germany, Japan, South Korea, Taiwan, and Singapore.

Technical Specifications for Semiconductor Industry Castings
- Size: Up to 300 mm
- Weight: Up to 20 kg
- Material: SCS13 stainless steel
- Minimum Order Quantity: From 50 units or 50 kg and above

Production Equipment Capabilities
- Lost-Wax Equipment:
10-ton wax injection machines, kilns, drying ovens, medium- and high-frequency induction melting furnaces
- Inspection Tools:
Metal composition analyzers, molten metal temperature sensors, 3D measuring machines, and image-based inspection tools
- Post-Casting Machining:
CNC machining centers for high-precision finishing
- Quality Management Tools:

Advanced 3D coordinate measuring systems and image measurement equipment
The semiconductor sector requires ultra-precise microstructures, material stability, and stringent production controls. Kobayashi Casting addresses these needs through a closed-loop lost wax casting process and Japanese-standard quality control system. Our Vietnam factory is equipped to flexibly support everything from prototyping to mass production, ensuring fast lead times and high repeatability in every batch. Kobayashi Casting is your trusted partner for delivering high-quality metal lost wax cast components to meet the exacting standards of the semiconductor industry.

Contact us to discuss your precision component requirements!