May 1958
Established Sankyo Ryokoku Corporation at Tokyo Sugamo and started business of millet, dry food and food products.
April 1968
Opened Tokai Plant located at Shizoka Kosaishi.
Started production of fat oil for forage.
July 1971
Company changed its name to Sankyo Corporation.
April 1977
Head office moved to 1-23-2, Yoyogi, Shibuyaku, Tokyo.
September 1979
Head office moved to 1-57-6, Yoyogi, Shibuyaku, Tokyo.
October 1979
Placed the grease extractor to Tokai Plant.
April 1982
Hachinohe Plant started operation at Aomori Hachinoheshi.
June 1986
Opened Kamikita Plant at Aomori Kamikitagun and started production of fertilizer.
March 1988
Introduced Dupps. Low-pollution Continuous Rendering System to Hachinohe Plant.
October 1988
Placed Feather Meal Plant to Kamikita Plant and started production of feather meal.
May 1990
Introduced Dupps. Ring Dryer to Kamikita Plant.
April 1992
Complete 24h operation system at Hachinohe Plant by introducing Continuous Rendering System.
November 1992
Expanded Feather Meal Cooker in Kamikita Plant.
March 1994
Started production of neutral detergent at Tokai Plant.
May 1995
Tokai Plant certified as a cosmetic manufacturing plant. Started production of hand soap.
May 1996
Established Aomori Prefecture Rendering Project Cooperative Association in Hachinohe Plant.
February 1997
Placed Animal Grease Storage in Hachinohe Plant.
March 1999
Introduced Animal Protein Forage Feedstock Storage Silo into Hachinohe Plant. Promoted safety and sanitation of its quality.
December 1999
Established Research Center and started research on functional cosmetics and food.
November 2001
Hachinohe Plant completed Feedstock Sectionalize Construction primary period by MAFF (Ministry of Agriculture, Fisheries and Food).
September 2002
Started manufacturing and distribution on cosmetic material and health food.
January 2003
Completed Feedstock Sectionalize Construction second period by MAFF (Ministry of Agriculture, Fisheries and Food).
February 2006
Hachinohe Plant expanded Feedstock Sectionalize by MAFF (Ministry of Agriculture, Fisheries and Food).
May 2006
Hachinohe Plant renewed edible oil manufacturing facility.
February 2007
Kamikita Plant renewed industrial dryer.
October 2009
Head Office moved to 1-55-5, Yoyogi, Shibuyaku, Tokyo.
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