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Yunnan Tin Company Limited (S
GLEIF has an LEI on file for 云南锡业股份有限公司 (LEI 3003005QWPI5MVQF6K65, status ISSUED) but reports no parent/ownership relationship data filed (wake-verify, 2026-08-26). The controlling shareholder (Yunnan Tin Group Co., Ltd.) reduced its direct stake from 32.98% to 31.76% during H1-2026 via on-market sale (20,036,023 shares) without a change of control; ultimate control sits with the Yunnan provincial SASAC (国资委 = 云南省人民政府国有资产监督管理委员会 per the filing's own glossary). Neither Yunnan Tin Group Co., Ltd. nor Yunnan Tin Group (Holding) Co., Ltd. has its own dossier in this corpus, so no parent_slug is set.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 21 suppliers, 15 customer-side. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Rank-1 customer, but an aggregate roll-up of commonly-controlled subsidiaries (RMB 7.092bn), not a single operating buyer.
Exceeded its RMB 1.700bn board-approved related-party cap.
Product sales out 1.93% of same-type; materials/fuel/freight/warehousing in 4.52% of same-type procurement.
Lease income only. New JV capitalised June 2025 — Yuntin Holding 40 / Yunnan Tin 30 / New Materials 30.
Raw materials, fuel, spares, transferred water and power, repairs, leases. Exceeded its RMB 6.138bn approved cap.
The only named foreign-domiciled node in the whole disclosure — RMB 2.434bn of raw-material feed into the Chinese smelter, ~16 percent over its approved cap. The underlying asset is unverified.
The controlling shareholder itself.
Engineering construction and installation — not a material input.
Sales of goods/services: RMB 312,337,816.86 (H1-2025 comparative: RMB 145,756,303.26, +114.3%).
H1-2025 comparative from the H1-2026 filing: RMB 145,756,303.26.
Sales of goods/services: RMB 714,491.24 (H1-2025 comparative: RMB 698,188.45).
H1-2025 comparative from the H1-2026 filing: RMB 698,188.45.
Sales of goods/services: RMB 1,132,448,202.85 (H1-2025 comparative: RMB 287,266,352.98, +294.2%).
H1-2025 comparative from the H1-2026 filing: RMB 287,266,352.98.
Sales of goods/services: RMB 1,514,186,751.15 (H1-2025 comparative: RMB 1,988,443,608.47, -23.9%).
H1-2025 comparative from the H1-2026 filing: RMB 1,988,443,608.47.
Sales of goods/services: RMB 1,155,947,744.95 (H1-2025 comparative: RMB 980,091,617.71, +17.9%).
H1-2025 comparative from the H1-2026 filing: RMB 980,091,617.71.
Purchases/services: RMB 1,778,801,659.54 against a RMB 6,314,400,000.00 board-approved FY2026 quota (not exceeded at half-year). H1-2025 comparative: RMB 1,400,773,103.55.
H1-2025 comparative from the H1-2026 filing: RMB 1,400,773,103.55.
Purchases/services: RMB 78,628,133.56 against a RMB 175,800,000.00 FY2026 quota. H1-2025 comparative: RMB 83,788,733.96.
H1-2025 comparative from the H1-2026 filing: RMB 83,788,733.96.
Purchases/services: RMB 49,756,599.25 against a RMB 210,000,000.00 FY2026 quota. H1-2025 comparative: RMB 25,121,127.99.
H1-2025 comparative from the H1-2026 filing: RMB 25,121,127.99.
Raw-material procurement: RMB 1,599,474,731.04 against a RMB 2,100,000,000.00 FY2026 quota (not exceeded at half-year, unlike FY2025 full-year). H1-2025 comparative: RMB 1,142,768,763.89.
H1-2025 comparative from the H1-2026 filing: RMB 1,142,768,763.89.
Purchases/services: RMB 3,242,286,555.58 — already EXCEEDS the RMB 1,900,000,000.00 FY2026 board-approved quota at the half-year mark (171% of the full-year cap). H1-2025 comparative: RMB 777,378,965.86 (+317.1%).
H1-2025 comparative from the H1-2026 filing: RMB 777,378,965.86.
Raw-material procurement: RMB 148,188,605.75 — already EXCEEDS the RMB 136,000,000.00 FY2026 board-approved quota at the half-year mark (109% of the full-year cap). H1-2025 comparative: RMB 123,599,408.79.
H1-2025 comparative from the H1-2026 filing: RMB 123,599,408.79.
Raw-material procurement: RMB 87,007,698.50 against a RMB 120,000,000.00 FY2026 quota. H1-2025 comparative: RMB 111,078,009.37.
H1-2025 comparative from the H1-2026 filing: RMB 111,078,009.37.
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 5 of its 5 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.