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Hibi Joint Smelting Co., Ltd.

日比共同製錬株式会社
Ticker
—
Listed market
—
Country
Japan
Employees (consolidated)
213
Related companies
8
§01

Basic information

BASIC
Head office
1-1, Hibi 6-chome, Tamano City, Okayama Prefecture
Chief executive
Kimitaka Shimokawa
Capital
100,000,000
Employees (non-consolidated)
213 people
Employees (consolidated)
213 people
Start date
1968-01-01
End date
§02

Websites

1 DOMAINS
§03

Business

1
Non-ferrous metal smelting industry (manufacture of electrolytic copper, sulfuric acid, gypsum, and other by-products)
§04

Related companies

8 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
MITSUI KINZOKU COMPANY, LIMITED
Group Parent
Hibi Refining Co., Ltd.
Group
JX Metals Corporation
Shareholder
Pan-Pacific Copper Co., Ltd.
Shareholder
Mitsui Metal Group
Furukawa Metal & Machinery Co., Ltd.
Nippon Steel & Mining Corporation
玉野製錬所
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

17 EVENTS

Mr. Gon Daiho began copper smelting in HibiSources

At that time, the emerging major conglomerate, Suzuki Shoten, acquired management rightsSources

Established Japan Metal Co., Ltd. Hibi Smelting PlantSources

Blast furnaces and large smokestacks (Taro Smokestack) were constructed, and modern smelting operations beganSources

Showa Mining Co., Ltd. acquired management rightsSources

Transferred business from Showa Mining Co., Ltd. to Mitsui Mining & Smelting Co., Ltd.Sources

Renamed to Mitsui Metal Mining Co., Ltd. Hibi Smelting PlantSources

Established Hibi Joint Smelting Co., Ltd. by two companies: Mitsui Metal Mining Co., Ltd. and Nippon Steel & Sumitomo Metal Corp.Sources

A 50,000-ton barge pit was completedSources

Furukawa Mining Co., Ltd. (now Furukawa Electric Co., Ltd.) participated in management of Hibi Joint Smelting Co., Ltd.Sources

Started operation of Hibi Joint Smelting Co., Ltd. Tamano Smelting Plant as a state-of-the-art smelting plant of the timeSources

Tamano Smelting Plant: Completion of the second electrolytic plantSources

Closed the smelting furnace at Hibi Smelting Plant; copper smelting was discontinued at Hibi Smelting Plant; production was consolidated at Tamano Smelting Plant of Hibi Joint Smelting Co., Ltd., with only management functions remaining at Nippon Metal Co., Ltd. (now JX Nippon Mining & Metals)Sources

Established Pacific Copper Co., Ltd. as a copper business integration company of Nippon Steel & Sumitomo Metal Corp. and Mitsui Metal Mining Co., Ltd.Sources

Established PPC Hibi Smelting Plant through production integration of copper smelting businessSources

Implemented PC conversion and expansion of the first electrolytic plant at Tamano Smelting Plant; transitioned to an annual production volume of 290,000 tons of electrolytic copperSources

Established Hibi Smelting Co., Ltd., a 100% subsidiary of Mitsui Metal Mining Co., Ltd., to review the management system of the copper joint ventureSources

§07

News

10 ARTICLES

50th Prefectural Corporate Adult Rubber-Ball Baseball Championship — Tamano City QualifierSources

At the Tamano City qualifier held on August 23, 2026, Mitsui Mining & Smelting Hibi defeated K-KING 5–2 in the first round and Hokko Chemical Industry Okayama 7–0 (five-inning mercy rule) in the qualifying match, securing a place as Tamano City’s representative. The Okayama Prefectural Tournament is scheduled to be held in the Tamano area on September 26 and 27; the opponent has not yet been determined.

Emperor's Cup All Japan Softball Baseball Tournament Yamanosh City Qualifier ResultsSources

On May 31, 2026, at the Yamanosh City qualifier, Mitsui Metal Hibi defeated Koki Chemical Okayama 5-3 in the first round and won 11-5 against Mitsui E&S Yamanosh in the final, securing the Yamanosh City representative spot. The Okayama Prefecture tournament is scheduled for June 27 at the Mabiki General Park Baseball Stadium, with NTN Okayama as the opponent.

Results of the 80th National Sports Festival Okayama Prefecture Rubber-Ball Baseball QualifiersSources

Mitsui Kinzoku Hibi lost 3–4 to Okayama City Hall. The game was held on Saturday, May 23, at Tamashima no Mori Baseball Stadium, and the team received enthusiastic support from many people despite the poor ground conditions.

80th National Sports Festival Softball Tamano City Preliminary ResultsSources

The preliminary round of the softball competition at the 80th National Sports Festival in Tamano City was held, and Mitsui Metal Hibi won 6-1, securing the Tamano City representative spot. In the representative decision match, Mitsui Metal Hibi defeated Hokuyou Chemical Okayama 1-0, determining their participation in the Okayama Prefecture tournament.

Official Character “Anodon” Turns into a Plush ToySources

Hibi Kyodo Smelting Co., Ltd.’s official character “Anodon” is now available as a 20 cm plush toy. It watches over employees at recruitment events, in the office, and in communication areas. The plush toy has been featured on the blog and social media of ZERO-ONE Co., Ltd.

2025 Hibi Corporate Group Sports Festival HeldSources

On March 13, 2026, the second sports festival was held at the Tamano City General Gymnasium, with 197 people participating, including employees of partner companies. Physical fitness tests were also conducted alongside the sports festival, and participants enjoyed the competitions and tests. Hibi Corporate Group says it will continue organizing a variety of events to improve employee job satisfaction.

Held the 2026 Entrance CeremonySources

On Wednesday, April 1, 2026, we held an entrance ceremony for our new employees. Together with our young colleagues, we declared our commitment to bringing smiles to the Earth.

T-Ball Classes Held at Nearby Kindergartens and PreschoolsSources

The baseball team of Hibi Kyodo Smelting Co., Ltd. has held T-ball classes at kindergartens and preschools in Tamano City since 2016. In 2026, marking the 10th year of the program, the team taught basic skills such as batting and pitching, and donated a complete set of T-ball equipment at the end. The company stated that it intends to continue promoting sports rooted in the local community.

Announcement of Official Characters at Hibi Refinery and Tamano RefinerySources

At Hibi Refinery and Tamano Refinery, official characters named Anodion and the Copper Refining Team TAMANO-P Ranger have been introduced. Anodion is a fairy born from an anode, loves Tamano's sea and nature, and cannot stop talking about copper refining. The Copper Refining Team TAMANO-P Ranger consists of Hibi Seirenja, Tamano Yorenja, and Tamano Denrenja, who work as heroes delivering high-quality copper to the world.

Hibi Kyodo Smelting Participates in Refresh Setouchi at Shibukawa BeachSources

On Sunday, July 6, 2025, approximately 100 people, including Hibi Kyodo Smelting employees and their families, participated in Refresh Setouchi at Shibukawa Beach. The company stated that it will continue to cherish nature together with the local community and work toward a happier planet.

§08

Public records

GOV
National Tax Agency basic information9010001133657
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
日比共同製錬株式会社
Trade name (kana)
ヒビキョウドウセイレン
Name in English
Corporation type
301
Address
〒141-0032 東京都品川区大崎1丁目11番1号
Postal code
1410032
Prefecture code
13
City code
109
Address outside Japan
Prefecture in English
City in English
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2024-07-23
Change date
2020-04-22
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
12
Correction type
1
Trade name image ID
Address image ID
Sequence number
2466914
METI gBizINFO9010001133657
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
9010001133657
Trade name
日比共同製錬株式会社
Trade name (kana)
ヒビキョウドウセイレン
Trade name (alphabet)
Registry closure date
Reason for registry closure
Registered address
東京都品川区大崎1丁目11番1号
Postal code
1410032
Prefecture
東京都
Prefecture code
13
City or district
品川区
City code
109
Street address
大崎1丁目11番1号
Organisation type
301
Processing type
12
Correction type
1
Status
Representative
Capital
Employees
213
Employees (male)
Employees (female)
Business summary
銅の製錬業
Website URL
Year founded
Business category
E:製造業
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date
2024-07-23
Key information
9010001133657
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Sources & updates

SOURCES
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