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CMK s.r.o. gallium refinery (Zarnovica)

CMK, s.r.o. · Slovakia
Slovakiagalliumrecyclingrefinepurifyrecyclecrystal growChecked 9 November 2026 · source dated 2026 MED
Who
CMK, s.r.o.
CMK, s.r.o. (private)
What
gallium — refine, purify, recycle, crystal grow
Capacity Nameplate capacity
4 t/yr gallium metal (5N-7N)
Status
Operating
Actual output
Gated — subscribe to see actual output
Who they sell to
Gated — subscribe to see offtake agreements
How to reach them
https://cmk.sk
Notes
Slovakia's high-purity gallium producer (USGS lists Slovakia among principal producers of high-purity refined gallium). Refines gallium to 5N-7N purity, recycles GaAs/GaP/other Ga scrap, and grows GaAs crystals/wafers. Founded 1995; GaAs production heritage since 1973. | output/status: Not disclosed CMK's own history records a gallium production hall at Zarnovica with 4,000 kg/yr capacity and the gallium page describes refining to 5N-7N plus recovery of gallium from gallium-bearing waste. The company is trading and certifying as of 2026; no current output figure is published.

Proof

Checked 9 November 2026 · source dated 2026
  1. https://cmk.sk/about-us/
  2. https://cmk.sk/products/gallium/
  3. https://pubs.usgs.gov/myb/vol1/2022/myb1-2022-gallium.pdf
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