About SANKYO
May, 1946 | Mr.Go Matsui, the late Chairman of the board, established Sankyo Seisakusho in Yamasaki-cho, HigashiSumiyoshi-ku, Osaka, and started the manufacture and sales of automatic control valves. | |
June, 1948 | Established Tanimachi Branch Office in Kyuhoji-cho, Higashi-ku, Osaka | |
March, 1952 | Moved the factory to Hirano-honmachi, HigashiSumiyoshi-ku, Osaka. Installed a boiler for steam examinations. | |
October, 1955 | Established Sankyo Automatic Seisakusho Co., Ltd, in Hirano-honmachi, HigashiSumiyoshi-ku, Osaka with the capital of JPY 1,500,000. | |
July, 1959 | Increased the capital to JPY 3,000,000. | |
August, 1959 | Established Hiroshima Branch Office in Kokutaiji-cho, Hiroshima. | |
July, 1961 | Constructed a safety valve manufacturing factory newly in HigashiSumiyoshi-ku, Osaka. | |
October, 1961 | Increased the capital to JPY 6,000,000. | |
November, 1961 | Increased the capital to JPY 12,000,000 on occasion of the merger between Sankyo Seisakusho and Sankyo Automatic Seisakusho Co., Ltd. Corporate name was changed to Sankyo Seisakusho Co., Ltd. |
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January, 1962 | Increased the capital to JPY 15,000,000. | |
February, 1963 | Increased the capital to JPY 18,000,000. | |
June, 1963 | Established Tokyo Branch Office in Chiyoda-ku, Tokyo | |
February, 1965 | Established Hiroshima Sankyo Seisakusho Co., Ltd. in Kokutaiji-cho, Hiroshima. | |
May, 1967 | Increased the capital to JPY 25,000,000. | |
January, 1968 | Moved and newly constructed Head Office and Factory in Ohasuminami, Higasiosaka. | |
July, 1970 | Moved Hiroshima Sankyo Seisakusho Co., Ltd. to the newly-built facilities in Koga-Kita Nishi-ku, Hiroshima. | |
October, 1971 | S-K16 series Float Switches acquired the type approval from Lloyd’s Register Of Shipping. | |
March, 1972 | Established Takamatsu Branch Office in Ogi-machi, Takamatsu. | |
September, 1972 | S-K16 series Explosion-proof Float Switches acquired the type approval from Nippon Kaiji Kyokai. | |
April, 1973 | Having been approved by the Ministry of International Trade and Industry as a certified High Pressure Gas manufacturing and testing facility. Mr. Takao Matsui took the office of President. |
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November, 1973 | Moved Head Office and Sales Department to Kitahorie, Nishi-ku, Osaka. | |
May, 1976 | Having been approved by the Ministry of International Trade and Industry as a certified High Pressure Gas manufacturing and testing facility for special valves, including ultra-low temperature valves. | |
September, 1976 | S-K16 series Float Switches acquired the type approval from Germanischer Lloyd’s. | |
February, 1981 | Increased the capital to JPY 50,000,000 | |
February, 1982 | Increased the capital to JPY 75,000,000 | |
March, 1983 | Established Sankyo Seisakusho Co., Ltd.(Tokyo) in Chiyoda-ku, Tokyo | |
August, 1983 | S-K704 series Diaphragm-Operated Valves acquired the type approval from Lloyd’s Register Of Shipping. S-K800 series Cylinder Valves acquired the type approval from Lloyd’s Register Of Shipping. S-K710,S-K74 and the other Solenoid Valves acquired the type approval from Lloyd’s Register Of Shipping. |
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March, 1984 | S-K16 series Float Switches acquired the type approval from Det Norske Veritas. | |
August, 1985 | S-K16 series Float Switches acquired the type approval from Nippon Kaiji Kyokai for the boiler. | |
November, 1985 | S-K17 series Level Gauges acquired the type approval from Nippon Kaiji Kyokai. | |
June, 1990 | Constructed the Factory newly in Wakamatsu-cho,Tondabayashi-shi and moved. | |
April, 1992 | Purchased a resort apartment in the Kishu Shirahama hot spring for the rest facilities of the employee. | |
June, 1994 | Moved Sankyo Seisakusho Co., Ltd.(Tokyo) to Nihonbashi Chuo-ku, Tokyo. | |
October, 1994 | Has acquired the ISO9001 certification. | |
August, 1996 | S-K170 series Level Gauges with alarm contact acquired the type approval from Lloyd’s Register Of Shipping. | |
October, 1996 | S-K170 series Level Gauges with alarm contact acquired the type approval from Nippon Kaiji Kyokai. | |
December, 2000 | Extended the inspection building in the factory. | |
June, 2001 | Published the company history in commemoration of the 55th anniversary of foundation. | |
March, 2003 | Developed S-K16 ES-N series Float switches newly. | |
February, 2004 | Developed S-K102 series Safety Valves newly. S-K16KS, YS series Float Switches acquired the type approval from Germanischer Lloyd’s. |
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July, 2004 | S-K16KS,YS series Float Switches acquired the type approval from Bureau Veritas. | |
September, 2005 | Extended the automatic warehouse system in the factory. | |
November, 2005 | Established newly the air tank (25㎥) and the compressor (30MPa) for product inspection. | |
March, 2006 | Extended the finished-goods place in the factory. | |
December, 2007 | Joined Japan Ship Machinery & Association S-K170 series Float Gauges acquired a patent in Japan. |
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October, 2008 | Developed S-K423C series Pressure Regulating Valves newly. | |
October, 2009 | Installed a large-sized parts washing machine in consideration of the load to environment. | |
May, 2011 | Mrs. Takako Sugiyama took the office of President. | |
July, 2011 | Developed S-K412A series Reducing Valves newly. | |
February, 2013 | Developed S-K175 series Level Gauges newly. | |
November, 2013 | S-K175 series Level Gauge acquired the type approval from Nippon Kaiji Kyokai. | |
February, 2014 | S-K175 series Level Gauge acquired a patent in Japan. | |
November, 2014 | Extended the painting booth in the factory. | |
August, 2015 | Renovated the compressor for safety valves and the high-pressure valves to increase the productivity. | |
May, 2016 | Passed 70th anniversary of the founding. | |
April,2017 | Started joint researchi with Osaka Prefecture University. | |
May,2019 | Established the large automatic warehouse system in tahe newly-built warehouse building. | |
January,2020 | Developed S-K179 series Level Gauges newly. | |
June,2020 | S-K179 series Level Gauges acquired the type approval from Nippon Kaiji Kyokai. | |
March,2021 | Renovated the boiler equipment. |