Tieron / Targeting
Annual report 2026-06-25
Companies › Japanese listed company

Chugai Mining Co.,Ltd.

中外鉱業株式会社 — Tokyo Stock Exchange 1491, 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)
中外鉱業株式会社
TICKER
TSE 1491
EDINET CODE
E00027
CORPORATE NUMBER
7010001008720
INDUSTRY
Nonferrous Metals (非鉄金属)
HEAD OFFICE
千代田区丸の内２丁目４番１号
DISCLOSED FOOTPRINT
6 sites · 1 subsidiaries

Disclosed major customers

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

三菱商事RtMジャパン株式会社46.9% of revenue
“三菱商事RtMジャパン株式会社 | 前連結会計年度 77,279,113千円（47.6％） | 当連結会計年度 132,086,248千円（46.9％）”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKQY
アサヒプリテック株式会社40.9% of revenue
“アサヒプリテック株式会社 | 前連結会計年度 53,558,836千円（33.0％） | 当連結会計年度 115,291,212千円（40.9％）”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKQY
株式会社佐藤金銀店2.5% of revenue
“株式会社佐藤金銀店 | 前連結会計年度 5,368,719千円（3.3％） | 当連結会計年度 6,966,000千円（2.5％）”
Annual securities report (有価証券報告書), filed 2026-06-25 — EDINET S100YKQY
The filing addresses human rights.

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

More Nonferrous Metals companies

DOWA HOLDINGS CO.,LTD.Fujikura Ltd.FURUKAWA CO.,LTD.Furukawa Electric Co., Ltd.MITSUBISHI MATERIALS CORPORATIONMitsui Kinzoku Company, LimitedNIHON SEIKO CO.,LTD.Sumitomo Electric Industries, Ltd.
Screening Chugai Mining Co.,Ltd. or mapping suppliers like them? Check any company against sanctions and forced-labor lists, free.Free sanctions check →

Work at Chugai Mining Co.,Ltd.? Claim this page to review the data your customers see.

Get sanctions & UFLPA list updates
A short note when the lists change in ways that matter for supply-chain screening. No noise.
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.