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Poongsan Corporation (KRX: 103140) is a South Korean industrial group operating two segments: Copper Elongation Products — rolled and extruded copper and copper-alloy sheet, strip, rod, bar, wire, lead-frame alloys, stainless-steel strip, and coin blanks (Poongsan holds over 50% of the global coin-blank market) — and Defense — military ammunition (anti-aircraft, mortar, howitzer, tank-gun, naval-gun rounds) and commercial/sporting ammunition sold under the PMC brand to North America, China, and Southeast Asia.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 3 suppliers. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Poongsan Corporation FY2025 사업보고서 (DART rcpNo 20260312001327, filed 2026-03-12), section II.3 원재료 및 생산설비, supplier table for subsidiary 'PMX Industries, Inc.' (Poongsan's wholly owned US copper-alloy rolling mill and coin-blank plant, Cedar Rapids, Iowa): '아연 | 압연 | 21,196 | Teck, Glencore' (zinc for rolling, US$21.2m, suppliers Teck and Glencore). Teck's refined zinc is produced only at its Trail Operations refinery (British Columbia, Canada); destination is PMX in Iowa. Glencore (co-supplier) has zinc refineries in several countries and is not placed.
Poongsan Corporation FY2025 사업보고서 (DART rcpNo 20260312001327, filed 2026-03-12), section II.3 원재료 및 생산설비, supplier table for subsidiary 'PMX Industries, Inc.' (Poongsan's wholly owned US copper-alloy rolling mill and coin-blank plant, Cedar Rapids, Iowa): '니켈 | 소전 | 14,929 | Vale, Anglo American' (nickel for coin blanks, US$14.9m, suppliers Vale and Anglo American). Anglo American's nickel output in 2025 came only from its Brazilian operations (Barro Alto and Codemin, Goiás); destination is PMX in Iowa.
Poongsan Corporation FY2025 사업보고서 (DART rcpNo 20260312001327, filed 2026-03-12), section II.3 원재료 및 생산설비, supplier table for subsidiary 'PMX Industries, Inc.' (Poongsan's wholly owned US copper-alloy rolling mill and coin-blank plant, Cedar Rapids, Iowa): '니켈 | 소전 | 14,929 | Vale, Anglo American'. Vale Base Metals refines nickel in Canada, the UK, Japan and elsewhere; the filing does not say which plant supplied PMX, so the origin is left open.
Scope. Absence of a counterparty here is not evidence that none exists — most commercial sourcing is confidential and never becomes public. Rows without a share figure mean no share was disclosed, not that the relationship is small.
Every exposure is read as a buyer dependency; the top 3 are its binding chokepoints.
As a buyer, policy pressure across its consumed materials is flat.
Descriptive trend in official policy actions on this company’s materials — a policy-pressure trend, not a price or trading signal. No forward probability is implied. Direction is measured on actions we have discovered, and discovery lags events: where the recent window is too thin to support a calm reading, the row says coverage-limited instead of easing.
No actions in the register have named or swept this company in the last 24 months.