Semiconductor materials (etchant, CMP slurry, precursors)
Soulbrain
A leader in etchants and cleaning agents with 70-100% domestic share in HF and phosphoric-acid etchants. FY2025 revenue ₩923B, operating income ₩134B. Supplies process materials to Samsung (3nm GAA etchant) and SK hynix (high-purity HF for HBM/3D NAND).
357780.KQ Updated Jun 20, 2026 1 AI consumers
SoulbrainFY2025 revenue ₩923B
▸ Money out고순도 화학 원료·가스 (비공개)○정제·포장 설비 (비공개)○
Financials & Segments
- Total revenue · FY2025 revenue ₩923B (operating income ₩134B)
- Customer concentration · 70-100% domestic etchant share. Customers: Samsung, SK hynix, Samsung/LG Display.
- Segments · Semiconductor materials · Display & battery materials
Revenue from
- Samsung Electronics High confidence· Revenue ₩923.4B · FY2025 · consolidated total revenue
Supplies HF/phosphoric etchants, cleaners and CMP slurry to Samsung (70-100% domestic share); 3nm GAA etchant.Confirms EN Komachine Accessed Jun 20, 2026: "70-100% domestic HF/phosphoric etchant share, supplies Samsung." - SK hynix High confidence
Supplies high-purity HF and etchants to SK hynix (HBM and high-stack 3D NAND).Confirms KO DART (Korea FSS) Published Mar 20, 2026: "Supplies etchants/cleaners to SK hynix and others."Confirms EN Komachine Accessed Jun 20, 2026: "SK hynix tested and adopted Soulbrain high-purity HF." - 디스플레이·전지 (삼성/LG디스플레이 등) Medium confidence
Supplies display etchants and battery electrolytes.
Pays to
- 고순도 화학 원료·가스 (비공개) Low confidence
Buys high-purity HF, phosphoric acid and other feedstocks (undisclosed). - 정제·포장 설비 (비공개) Low confidence
Buys purification and packaging equipment/materials (undisclosed).
Value-chain ripple (tiers 2–3)
Following node-to-node links up to 3 tiers; each firm is shown once, at its nearest tier.