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IIDA SEIMITSU (THAILAND) CO., LTD.
Precision Parts Machining / Precision Component Processing

We provide one-stop service
from machining through to assembly

For over 50 years, we have been engaged in precision machinery and parts machining.
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Since expanding our operations to Thailand in 2003, we continue to leverage our originality
and expertise to deliver reliable, high-quality products our customers can trust.


Our Features

Integrated production from machining to sub-assembly


With advanced equipment and extensive experience, we supply high-precision parts with reliable quality.

Capable of both prototype and mass production


We leverage our originality to deliver reliable, high-quality products you can trust.

Highest quality


We utilize advanced technology to deliver highly reliable, high-quality products. Through a multi-layered inspection system, we provide products from the customer’s perspective.


Production Equipment

52 CNC lathes, 6 machining centers, and 43 tapping centers. Many of the tapping centers are equipped with rotary tables.

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Quality Management

We ensure quality with a full range of measuring equipment, including two automatic and one manual three-dimensional measuring machines (CMM).

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Latest Update 18 Feb 2026