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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.
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