Product Lineup

SII Precision Turned Parts
Since our foundation, our in-house integrated manufacturing system from turning through surface treatment process has achieved high quality and short delivery period.

With our advanced technologies, we are able to meet a wide variety of customer requests, including processing of highly accurate parts, hard-to-cut materials and surface treatment, for small cutting tools with the outer diameter of 16mm or less.

Automobile Parts

For more than 20 years, SII has provided high quality and reliability automobile parts, including ABS parts, that satisfy the automobile industry's global quality standard “TS16949”.

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Automobile ABS PartsAutomobile Engine/Transmission Parts

HDD Parts

SII's HDD parts, including pivot and bearing parts, satisfy diverse product needs including high accuracy and cleanliness.

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Pivot Shafts