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Peruvian polymetallic miner (BVL: LUISAI1), a subsidiary of Japan's Mitsui Kinzoku, operating the Huanzala and Pallca underground mines in Ancash and producing zinc, lead, copper and bulk concentrates. 2025 revenue S/504.0m.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 1 customer-side. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Compania Minera Santa Luisa FY2025 audited statements filed with Peru's SMV. Note 7 c) Transacciones with its parent Mitsui Kinzoku: 'Venta de concentrados 187,861' (S/000 2025; 229,377 in 2024); note 7 a) receivables from Mitsui Kinzoku arise from 'la relacion contractual anual por venta de concentrados'; the risk note calls the parent 'su principal cliente'. Sales by geography (note 18): Japan took zinc concentrate S/179,750k and bulk S/12,654k in 2025 (zinc 226,402k in 2024); lead and copper concentrate were sold in Peru. Mines are Huanzala and Pallca, Ancash, Peru; Mitsui Kinzoku's zinc smelters are in Japan. All Japan sales go to the parent (related-party sales S/187.9m vs Japan S/192.4m incl. freight).
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.
This company sits on the supply side for 2 of its 2 materials — a restriction on those is a tailwind, not a headwind.
As a producer, policy pressure across its produced 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.