Tieron / Targeting
Annual report 2026-06-24
Companies › Japanese listed company

Sumitomo Metal Mining Co., Ltd.

住友金属鉱山株式会社 — Tokyo Stock Exchange 5713, Nonferrous Metals. Supply-chain directory entry built from public EDINET filings, including relationships the company disclosed in its own annual securities report.

COMPANY NAME (JP)
住友金属鉱山株式会社
TICKER
TSE 5713
EDINET CODE
E00023
CORPORATE NUMBER
9010401015273
INDUSTRY
Nonferrous Metals (非鉄金属)
HEAD OFFICE
港区新橋５丁目１１番３号
DISCLOSED FOOTPRINT
4 sites · 61 subsidiaries

Disclosed major customers

Counterparties Sumitomo Metal Mining Co., Ltd. named in its own annual securities report. A company named here has Sumitomo Metal Mining Co., Ltd. in its supply base.

パナソニックホールディングス(株)14.2% of revenue
“パナソニック ホールディングス㈱材料、製錬 260,188 246,922”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
住友電気工業(株)10.4% of revenue
“住友電気工業㈱製錬、材料 172,588 181,631”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
田中貴金属工業(株)10.1% of revenue
“田中貴金属工業㈱製錬 143,562 175,114”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N

Disclosed suppliers

Suppliers Sumitomo Metal Mining Co., Ltd. named in its own annual securities report.

Sumitomo Metal Mining Arizona Inc.
“Sumitomo Metal Mining Arizona Inc.米国デラウェア州U.S.$800資源80(80)－当社は同社より銅精鉱を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
SMM Morenci Inc.
“SMM Morenci Inc.米国デラウェア州千U.S.$10資源100(100)－当社は同社より銅精鉱を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
Sumitomo Metal Mining Oceania Pty Ltd
“Sumitomo Metal Mining Oceania Pty Ltdオーストラリアニューサウスウェールズ州千A.$43,000資源100(89)－当社は同社より銅精鉱を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
Coral Bay Nickel Corporation
“Coral Bay Nickel Corporationフィリピンパラワン州千USD10,569製錬10014,391当社は同社よりニッケル原料を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
Taganito HPAL Nickel Corporation
“Taganito HPAL Nickel Corporationフィリピン北スリガオ州千USD91,000製錬75144,736当社は同社よりニッケル原料を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
住友金属鉱山管理(上海)有限公司
“また同社から機能性材料の原料を購入し、同社に機能性材料製品を販売しております。”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
住鉱国富電子(株)
“当社は同社より磁性材料を購入しております。”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N
FIGESBAL SA
“FIGESBAL SAニューカレドニアヌメア千CFPF456,852製錬32(0)－当社は同社よりニッケル鉱石を購入しております。無”
Annual securities report (有価証券報告書), filed 2026-06-24 — EDINET S100YJ6N

Business segments

資源
11% of revenue — 国内及び海外における非鉄金属資源の探査、開発、生産及び生産物の販売
製錬
74.4% of revenue — 銅、ニッケル、フェロニッケル、亜鉛等の製錬、販売及び金、銀、白金、パラジウム等の貴金属の製錬、販売等
材料
14.3% of revenue — 電池材料（水酸化ニッケル、ニッケル酸リチウム等）、粉体材料（ペースト、ニッケル粉、近赤外線吸収材料、磁性材料等）、結晶材料（タンタル酸リチウム基板、ニオブ酸リチウム基板等）、テープ材料等の製造、加工及び販売、自動車排ガス処理触媒、化学触媒、
The filing addresses human rights.

Sector risk context: supply-chain risk for Mining & Metals (smelting/refining) in Japan.

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Sources: EDINET code list (Financial Services Agency) and the company’s own annual securities report (有価証券報告書) retrieved via EDINET. Disclosed relationships are quoted from the filing and carry its EDINET accession number; extraction is automated and conservative — anything the filing does not state is left out. Tieron does not certify, audit or endorse the company, and this page contains no Tieron risk assessment. Report an issue with this page — corrections referencing the accession number shown above are fastest to verify.
Sumitomo Metal Mining Co., Ltd. — suppliers, customers & supply chain profile · Tieron