Dry strip equipment (global No.1)

PSK Inc

The global No.1 in plasma dry strip (photoresist removal). FY2025 revenue ₩457B. Supplies Samsung, SK hynix and Intel; demand grows with HBM and DDR5. Expanding into metal etch with a new product.

319660.KQ Updated Jun 21, 2026 1 AI consumers

PSK IncFY2025 revenue ₩457B
Money out부품·모듈 (비공개)정밀 가공·계측 (비공개)

Financials & Segments

  • Total revenue · FY2025 revenue ₩457B
  • Customer concentration · Global No.1 in dry strip. Customers Samsung, SK hynix, Intel.
  • Segments · Dry strip · Dry clean & metal etch

Revenue from

  • Samsung Electronics High confidence· Revenue ₩457.2B · FY2025 · annual total revenue
    Supplies dry-strip (PR removal) and dry-clean tools to Samsung.
    Confirms KO DART (Korea FSS) Published Mar 20, 2026: "FY2025 revenue ₩457B."
    Confirms KO THE ELEC Accessed Jun 21, 2026: "PSK supplies dry-strip tools to Samsung, SK and Intel."
    Confirms EN Komachine Accessed Jun 21, 2026: "PSK is global No.1 in dry strip; customers Samsung, SK, Intel."
  • SK hynix High confidence
    Supplies dry-strip tools to SK hynix (HBM/DDR5 demand).
    Confirms EN Komachine Accessed Jun 21, 2026: "PSK is global No.1 in dry strip; customers Samsung, SK, Intel."
    Confirms KO THE ELEC Accessed Jun 21, 2026: "PSK supplies dry-strip tools to Samsung, SK and Intel."
  • Intel Medium confidence
    Supplies dry-strip tools to Intel.
    Confirms KO THE ELEC Accessed Jun 21, 2026: "PSK customers include Intel."

Pays to

  • 부품·모듈 (비공개) Low confidence
    Outsources parts and modules (undisclosed).
    Mentions KO DART (Korea FSS) Published Mar 20, 2026: "Annual report: parts procurement."
  • 정밀 가공·계측 (비공개) Low confidence
    Buys precision machining/metrology modules (undisclosed).
    Mentions KO DART (Korea FSS) Published Mar 20, 2026: "Annual report: equipment."

Value-chain ripple (tiers 2–3)

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