1950 | Startup of research of ion exchange membranes |
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1961 | Startup of commercial production of ion exchange membranes |
1962 | Startup of the first salt production plants in the world featuring ion exchange membranes at the Shin-Nihon Chemical Industry Co., Ltd.
Registration of trade mark ACIPLEX |
1965 | Completion of construction of salt production plants by Kinkai Engyo Co., Ltd. |
1967 | Startup of salt production plants by Ako Seawater Chemical Co., Ltd. and Naruto Engyo Co., Ltd. Adoption of monovalent cation perm-selective membranes |
1972 | Delivery of desalination plants for brackish water (Hatsushima Island, Ohshima Island) |
1973 | Completion of construction of a salt production plant by Sanuki Engyo Co., Ltd. |
1974 | Construction of the first whey desalination plant |
1975 | Delivery of the first seawater desalination plant. Startup of a Taiwanese salt production plants |
1979 | Startup of a Korean salt production plant |
1982 | Entered into a contract with Kuwait PIC on technology export of salt making and electrolysis |
1983 | Delivery of dialyzers to Pusan Salt, Korea |
1986 | Marketing debut of MICRO ACILYZER |
1989 | Marketing debut of EDCORE |
1992 | Construction of a bipolar membrane production plant. Establishment of Eurodia Industrie S.A., France |
1993 | Registration of trade mark NEOSEPTA |
1995 | Establishment of ASTOM Corporation: A joint company for production of hydrocarbon-based ion exchange membranes |
1998 | Acquisition of ISO 14001 certification (Shunan works) |
2004 | Reorganization of ASTOM Corporation as an integrated manufacturing and marketing company, inheriting sales and marketing rights from both parent companies |
2005 | Acquisition of ISO 9001 certification (whole company) |
2010 | Delivery of electrodialysis reversal (EDR) for brine water desalination to Oshima Island, Tokyo 2011 |
2011 | Installation of an additional salt production plant in Kuwait |
2013 | Delivery of electrodialyzers to the leachate treatment facility of Kitakata final disposal site in Nobeoka city |