-------------------- Industrial Part OEM
Japanese Quality Standard
Comprehensive Aluminium Extrusion and Custom Fabrication services tailored for the electrical appliances and electronics industries.
A true one-stop solution with a massive monthly production capacity of over 7,000 tons to support your mass production needs.
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Heat Sink

  Premium aluminum cooling solutions tailored for printed circuit boards (PCBs), power inverters, LED lighting, and high-power electrical equipment. 

  Supports high-density cooling fins and complex geometries requiring maximum thermal conductivity and heat dissipation efficiency. 
 

Case / frame

  Custom aluminum casings designed for electronic devices, industrial controller boxes, drive cases, and instrument enclosures.

  Structural aluminum components for PCB mounting, electrical appliance chassis, internal structural frames, and heavy-duty brackets.

Pipe / Tube

  Specialized aluminum piping and tubing engineered for heating/cooling pathways and heat exchanger systems.

  Advanced custom fabrication capabilities including precision bending, tube expanding, and custom hole punching guaranteeing 100% leak-free performance under pressure.


One Stop Service
Eliminate the hassle of multi-vendor coordination, production delays, and inconsistent quality.
TOSTEM THAI offers comprehensive, end-to-end aluminum manufacturing for electronics and electrical components all under one roof,
from raw material casting to ready-to-assemble parts.

Casting (In-House Billet Production)

We control quality from the very first step. By casting our own aluminum billets in-house, we can precisely customize alloy compositions to achieve optimal thermal conductivity for Heat Sinks or maximum structural integrity for electronic Cases.

2. Extrusion

(High-Precision Profile Extrusion)

Driven by advanced extrusion technology and Japanese engineering standards, we transform aluminum into complex shapes with tight tolerances. Whether it requires high-density cooling fins or ultra-thin yet durable specialized piping, our massive capacity of over 7,500 tons per month ensures your mass production lines never stop.

3. Surface Treatment

(Advanced Anodizing & Coating)

Enhance durability and achieve specific electrical insulation properties with our state-of-the-art surface treatment. We offer premium Anodizing and eco-friendly coloring processes that prevent corrosion, guarantee uniform surface finishes, and comply strictly with global environmental standards for electrical appliances.

4. Fabrication & Assembly

(Ready-to-Use Components)

Deliver parts straight to your assembly line with our full-scale fabrication services. We handle precision cutting, punching, bending, CNC milling, and final assembly according to your exact 2D/3D engineering drawings. Every part arrives 100% ready for immediate integration.

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