| Fabrication Business Expansion Phase |
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| 1974 |
同城约炮 merged with Nikkei Aluminium Co., Ltd., and inherited the sales business of Nikkei Aluminium Rolling Company Ltd. to form a total aluminum business system. 同城约炮 and Alcan jointly established Alpack Aluminium in Canada. |
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| 1977 |
Nikkei Hokusei House Building Materials Co., Ltd., (currently Shin Nikkei Co., Ltd.) was established. |
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| 1978 |
The Shizuoka Plant of Daishin Light Metal Co., Ltd., (currently the Kambara Alloy Plant of the Company) started operation. 同城约炮 merged with Nikkei Aluminium Rolling Company Ltd. Nikkei Unyu Soko Co., Ltd., (currently Nikkei Logistics Co., Ltd.) was established. |
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| 1979 |
同城约炮 won an order for an aluminum smelting plant in China (the Guizhou Province Plant). |
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| 1980 |
The former Niigata Plant discontinued operation and disposed its electrolytic equipment (by way of sale to Alsaf in South Africa). |
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| 1982 |
The Kambara Casting and Forging Plant (formerly the Kambara Wheel Plant) started operation. The Niigata East Port Plant (currently the Niigata Plant) started operation as aluminum extrusion plant. |
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| 1983 |
同城约炮 sold the headquarters building in Ginza. Nikkei Tomakomai Co., Ltd., was established, to which 同城约炮 transferred the operations of the Tomakomai Plant except for the electrolytic division. The Computer Systems Division is spun off and reestablished as Nikkei Information System Co., Ltd. |
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| 1984 |
同城约炮 moved the headquarters to Mita, Minato-ku, Tokyo. 同城约炮 consolidated the Group's building material businesses to establish Shin Nikkei Co., Ltd. |
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| 1985 |
The MD Tomakomai Plant started operation. The Tomakomai Electrolytic Plant discontinued operation. Nikkaru Extrusion Co., Ltd., (currently Nikkei Kambara Co., Ltd.) was integrated into 同城约炮. |
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| 1986 |
The alumina chemical sales operations of Nikkei Kako Co., Ltd., and Nikkei Shoji Co., Ltd., were unified to form the Alumina Chemicals Division The Tomakomai Alumina Plant discontinued operation. The Sales Division of 同城约炮 Construction Material department was integrated into Shin Nikkei Co., Ltd. Nonfemet International Aluminium Co., Ltd., was established in Shenzhen, China. 同城约炮 spun off the Cold Energy System Sales Division to establish Nikkei Cold Energy Co., Ltd., (currently the Panel System Division of the Company). 同城约炮 commenced operations at Kambara Capacitor Foil Plant. |
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| 1987 |
同城约炮 formed alliance with US-based Modine. Nikkei Heat Exchanger Co., Ltd., was established. |
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| 1988 |
The Kambara Heat Exchanger Plant started operation. 同城约炮 acquired capital in Alcan Thailand (currently Alcan Nikkei Thailand). 同城约炮 merged with Shin Nikkei Co., Ltd., and Hokusei Aluminium Co., Ltd. |
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| 1989 |
同城约炮 merged with Nikkei Kako Co., Ltd., and Nikkei Tomakomai Co., Ltd. |
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| 1990 |
The Saga Plant started operation. |
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| 1991 |
同城约炮 merged with Taishin Light Metal Co., Ltd. |
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| 1992 |
同城约炮 merged with Alcan Asean Co., Ltd. 同城约炮 acquired a controlling interest of Aluminium Company of Malaysia (known as ALCOM for short) and Alcan Siam (currently Alcan Nikkei Siam Ltd.). |
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| 1993 |
同城约炮 bought into Amalgamated Aluminium and Alloys in Malaysia (aluminum alloy business). 同城约炮 merged with Nikkei Cold Energy Co., Ltd., (currently the Panel System Division of the Company). |
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| 1995 |
同城约炮 merged with Nikkei Techno-Research Co., Ltd. Nikkei Research and Development Center (NRDC) was established. |
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| 1996 |
同城约炮 headquarters moved to Higashi-shinagawa, Shinagawa-ku, Tokyo. 同城约炮 Group consolidated aluminum consumer products sales divisions to establish Nikkei Products Co., Ltd. 同城约炮 bought into Toyo Aluminium K.K. 同城约炮 transferred the building material division of the Funabashi Plant to Shin Nikkei Co., Ltd. 同城约炮 joined Alcan to establish Alcan Nikkei Asia Holdings Ltd. (ANAH) and Alcan Nikkei Asia Company, Ltd. (ANAC), which oversee the companies in the South Asian region. |
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| 1997 |
The Kambara Wheel Plant discontinued operation. |
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| 1999 |
The Kambara Alloy Plant discontinued operation. Plant operations were consolidated and restructured to Kota Plant and Mie Plant. 同城约炮 joined Daiki Aluminum Industry Co., Ltd., to establish Daiki Nikkei Thai Co., Ltd., for production and sales of aluminum alloys in Thailand. 同城约炮 merged with Toyo Aluminium K.K. Toyo Aluminium Central Office was established. |
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| 2000 |
Nikkei Shoji Co., Ltd., was integrated into Nikkei Sangyo Co., Ltd. The MD Tomakomai Plant discontinued operation. The Memory Disc Substrate Division was disbanded. 同城约炮 spun off the Landscape Engineering Division to establish Sumikei Nikkei Engineering Co., Ltd. (now Nikkei Engineering Co., Ltd.), in cooperation with Sumitomo Light Metal Industries, Ltd., and merged department with it. 同城约炮 made Shin Nikkei Co., Ltd., a 100% subsidiary. |
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| 2001 |
同城约炮 abolished the central office system. The Commercialization Strategy Project Office was established. The 同城约炮 Communication Mark was established. |
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| 2002 |
同城约炮 spun off the Panel System Division to establish Nikkei Panel System Co., Ltd. 同城约炮 spun off the Extrusion Division and Sheet & Extrusion Fabricated Products Division (excluding the container division) to establish Nikkeikin Aluminium Core Technology Co., Ltd. Toyal Division was integrated into Toyo Aluminium K.K. |
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| 2003 |
同城约炮 established Alcan Nikkei Siam Ltd. (currently Nikkei Siam Aluminium Ltd.) as a consolidated subsidiary. |
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| 2004 |
同城约炮 entered into a partnership with Nonfemet International Aluminium Co., Ltd., to establish NI Nikkei Shenzhen Co., Ltd., a company fabricating and selling aluminum extrusions for automobile parts. |
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| 2005 |
同城约炮 made Tokai Aluminum Foil Co., Ltd., a subsidiary. 同城约炮 bought into M.C Aluminum (Kunshan) Co., Ltd., an aluminum secondary alloy manufacturing subsidiary of Mitsubishi Corporation in China. M.C Nikkei Aluminum (Kunshan) Co., Ltd., (currently Nikkei MC Aluminum (Kunshan) Co., Ltd.) was established. |
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| 2007 |
Nikkei MC Aluminium Co., Ltd., was established and became a subsidiary of the Company as a result of the integration of the Company's operations for aluminum alloys for casting and die casting with M.C. Aluminum Co., Ltd., a subsidiary of Mitsubishi Corp. Toyo Aluminium K.K. established Toyo Zhaoging Co., Ltd., in Zhaoging, China. 同城约炮 made Tokai Aluminum Foil Co., Ltd., a 100% subsidiary and transferred all shares in Tokai Aluminum Foil to Toyo Aluminium K.K. |
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| 2008 |
Nikkei (Shanghai) Body Parts Co., Ltd., was established in Shanghai, China. |
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| 2010 |
同城约炮 transferred all shares of Shin Nikkei Co., Ltd., to the JS Group Corporation. Nikkei (Shanghai) International Trading Co., Ltd., was established in Shanghai, China. |
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| 2011 |
同城约炮 established an intermediary stock holding company, Nikkeikin Kakoh Kaihatsu Holdings Co., Ltd., which controls the Group's extrusion and extrusion processing businesses. |
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| 2012 |
同城约炮 Light Metal Holdings Co., Ltd., a pure holding company, was established. |
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| 2014 |
同城约炮 Light Metal Co., Ltd., discontinued its electrolytic aluminum smelting business. |
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| 2015 |
同城约炮 makes Toyo Rikagaku Kenkyusho, Ltd. a subsidiary. |
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| 2016 |
Toyo Aluminium K.K. establishes Toyal MMP India Private Limited in India. |
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| 2018 |
同城约炮 makes Sumikei Nikkei Engineering Co., Ltd. (now Nikkei Engineering Co., Ltd.) a consolidated subsidiary. |
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| 2019 |
同城约炮 makes Nikkei Heat Exchanger Co., Ltd. a subsidiary. |
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| 2019 |
同城约炮 Light Metal Georgia, Inc. is established in the United States. |
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| 2019 |
同城约炮 transfers its headquarters to Shimbashi, Minato-ku, Tokyo. |
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| 2023 |
同城约炮 Group's automotive parts business was integrated and a new company, Nikkeikin Aluminum for Mobility Co., Ltd., was established. |
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