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Mar.1904
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Established a limited partnership, named Hiroshima Kouzan,
and began to produce charcoal pig iron and special steel.
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Mar.1905
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Renamed as Yonago Steel Works Partnership and began to produce crucible steel
as the first crucible steel producer in Japan.
Since then we have been producing specialist steel.
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May.1917
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Resystematized to Yonago Steel Works,Ltd.
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Dec.1938
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Merged with Nippon Soda Co.,Ltd.
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Dec.1949
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Separated from Nippon Soda Co.,Ltd. and renamed as Nisso Steel Mfg.Co.,Ltd.
(present Pacific Metals Co.,Ltd.)
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May.1957
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Separated from Nisso Steel Mfg.Co.,Ltd. and renamed Yonago Steel Works,Ltd.
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May.1985
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Established by full investment of Pacific Metals group and took over the rights of property
and business from Yonago Steel Works,Ltd.
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Dec.2003
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Yonago Steel Co.,Ltd.,Pacific Special Alloy Castings Co.,Ltd.,Pacific Steel MFG. Co.,Ltd.
and Pacific Sowa Cooperation are merged vertically under Pacific Sowa Cooperation (holding company).
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