Vacuum Oil Purifier for transformer insulating oil, refrigerant oil,ALSO hot line oil purifier,refrigerant charging machine. Electric Power Apparatus

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Manufactured "ALSO"(Activated Alumina), Dry air generator and supplied to Electric Power Companies, Transformer manufacturers.
Manufacturing ALSO Hot Line Oil Purifier
Manufacturing Vacuum oil purifier and supplied to Electric Power companies, engineering companies,power cable makers
Manufacturing Turbine Oil lube conditioner and supplied to turbine industries
Manufacturing equipment and supplied to home appliance industry and car industry
Research,study and develop new product
1950.12 Founded by Mr.Hisatake Tamaru and produced ALSO
1952.02 Factory moved to Meguro,Tokyo
1953.05 Developed Insulating oil tester
1957.09 Developed Acid Value Measuring Test set
1958.06 Developed ALSO hot line oil purifier
1960.12 Developed Vacuum Oil Purifier
1964.12 Developed Gasoline register
1967.03 Developed Dry Air Generator
1970.03 Expanded Head office Factory
1972.06 Developed Oil Filter
1974.05 Developed Turbine Lube Oil Conditioner
1984.02 Developed Automatic Dissolved Gas Analyzer
1985.07 Approved as Hitachi's authorized factory Developed Flon carbon handling system
1986.03 Developed Dissolved gases detector
1988.10 Approved as Mitsubishi Heavy industrial's authorized factory Developed New Refrigerant Vacuum Oil Purifier and refrigerant charging machine
1995.01 Company name changed to Sanmi corporation
1996.05 Yamagata factory established, Elmex business established,Developed Gas Monitor
1997.12 Moved Head Office factory to the present address, developed mass-flow refrigerant charging machine
1998.10 Developed Mass-flow type oil charging machine
2000.04 Handling import products, Radiator from TTP, India
2018.03 Acquired ISO9001:2015 certification for Design, development and manufa cture of heavy electric equipment