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| January 1946 |
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Company is founded in Sakuma-cho, Minato-ku, Tokyo, as SHOWA WOOD INDUSTRIES,LTD.(Capital:JPY190,000) |
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| February 1949 |
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Company name is changed to DAIDO KOGYO CO., LTD. |
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| September 1950 |
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Head office is relocated to 1-5 Hanaomotecho, Atsuta-ku, Nagoya. |
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| January 1955 |
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Company merges with DAIKIN SANGYO CO.,LTD. (Post merger capital:JPY4,700,000) |
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| October 1955 |
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Company acquires part of the business and the personnel of RIKEN SHOJI LTD. |
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| November 1955 |
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Head office is relocated to Toyota Building, 1-22-1 Sasashimacho, Nakamura-ku, Nagoya. |
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| April 1957 |
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Paid-in capital is increased to JPY40,000,000. |
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| September 1960 |
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Paid-in capital is increased to JPY80,000,000. |
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| October 1961 |
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Paid-in capital is increased to JPY120,000,000. |
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| February 1963 |
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Head office is relocated to Kogin Building, 1-11-18 Nishiki, Naka-ku, Nagoya. |
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| April 1963 |
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Company merges with TAIYO SHOJI CO.,LTD, a trading company in the same industry. (Post merger capital:JPY155,000,000) |
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| July 1964 |
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Company acquires the business and the personnel of NAGOYA METAL CO.,LTD. |
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| December 1967 |
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Paid-in capital is increased to JPY330,000,000. |
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| November 1968 |
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Paid-in capital is increased to JPY1,000,000,000. |
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| January 1972 |
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A new corporate emblem(DKK) is introduced. |
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| December 1972 |
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DAIDO KOGYO (U.S.A) INC. is established as a subsidiary in Portland, United States of America. |
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| June 1981 |
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Company merges with SPECIALTY STEEL SALES CO.,LTD. (Post merger capital:JPY1,150,000,000) |
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| October 1983 |
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DAIDO KOGYO (U.S.A) INC. is dissolved to make way for future expansion, and replaced by DAIDO STEEL (AMERICA) INC., formed jointly with DAIDO STEEL CO.,LTD. |
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| September 1987 |
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MEDICAL SYSTEM SERVICE AICHI LTD. is established. |
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| December 1992 |
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Tokyo Branch is relocated to Nishi-Shinbashi Mitsui Building, 1-24-14 Nishi-Shinbashi, Minato-ku. |
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| March 1997 |
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Paid-in capital is increased to JPY1,511,500,000. |
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| August 1998 |
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DAIDO KOGYO (THAILAND) CO.,LTD. is established as a subsidiary in Bangkok, Thailand. |
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| April 1999 |
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Tokyo Branch is renamed to Tokyo Headquarters and relocated to Nansa Toranomon Building, 1-7-13 Nishi-Shinbashi, Minato-ku. |
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| November 2000 |
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DAIDO KOGYO (SHANGHAI) CO.,LTD. is established as a subsidiary in Shanghai, P.R. of China. |
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| July 2001 |
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ISO9001:2000 (Quality Management) certification is obtained. |
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| December 2003 |
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DAIDO SHINAGAWA BUILDING is constructed. DKK, the commonly known acronym of the Company, is officially introduced as the abbreviation of the Company name. A new corporate logo is introduced. The Company administration is transfered to Tokyo Headquarters. |
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| December 2003 |
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ISO14001:1996 (Environmental Management) certification is obtained. |
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| April 2004 |
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DAIDO EUROPE GmbH is established as a subsidiary in Frankfurt, Germany. |
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| December 2005 |
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Nagoya Branch is relocated to Urbannet Nagoya Building, 1-1-10 Higashisakura, Higashi-ku. |
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| February 2008 |
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DAIDO KOGYO (SHENZHEN) CO.,LTD. is established as a subsidiary in Shenzhen, P.R. of China. |
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| January 2011 |
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DAIDO KOGYO (SHANGHAI) CO.,LTD. is dissolved to make way fo future expansion, replaced by DAIDO STEEL (SHANGHAI) CO.,LTD., formed jointly with DAIDO STEEL CO.,LTD. |
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| March 2011 |
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DAIDO KOGYO INDIA PVT. LTD. is established as a subsidiary in Gurgaon, India. |