- ENGIS KOREA
- lapping machine, diamond powder, diamond slurry, polishing machine, grinding machine, diamond drill, ceramic, Sic wafer, holder,Engis' Products.
- Address:258-11, Songsan-Ri, Yanggam-Myeon
- Silfine co., ltd.
- silicon powder,quartz,sic,photo mask,silicon wafer.
- Address:374-2, Shinsuri, Eumborgmyeon
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