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History of ion exchange membrane business
1950 - 1959
1950 Startup of research of ion exchange membrane
1960 - 1969
1961 Startup of commercial production of ion exchange membrane
1962 Startup of the first salt production plants with ion exchange membranes in the world, Shin-Nihon Chemical Industry Co., Ltd.
Registration of trade name "ACIPLEX"
1965 Completion of construction of a salt production plants in Kinkai Engyo Co., Ltd.
1967 Startup of salt production plants in Ako Seawater Chemical Co., Ltd. and in Naruto Engyo Co., Ltd.
Adoption of mono-valent cation perm-selective membrane
1970 - 1979
1972 Delivery of desalination plants of brackish water (Hatsushima Island, Ohshima Island)
1973 Completion of construction of a salt production plant in Sanuki Engyo Co., Ltd.
1974 Construction of a whey desalination plant
Adoption of mono-valent cation perm-selective membrane
1975 Delivery of the first seawater desalination plant
Startup of a Taiwanese salt production plants
1979 Startup of a Korean salt production plants
1980 - 1989
1982 Entered into a contract with Kuwait PIC on technology transfer of salt making and electrolysis
1983 Delivery of dialyzers to Pusan Salt, Korea
1986 Marketing debut of MICRO ACILYZER
1989 Marketing debut of EDCORE
1990 - 1999
1992 Construction of a bipolar membrane production plant
Establishment of Eurodia Industrie S.A., France
1993 Registration of trade name "NEOSEPTA"
1995 Establishment of ASTOM Corporatio: A joint company for production of ion exchange membranes of hydrocarbons
1998 Certification of ISO 14001 (Shunan works)
2000 - Now
2004 Reorganization of ASTOM Corporation as an integrated manufacturing and marketing company, inheriting sales rights from both parent companies
2005 Certification of ISO 9001 (Whole company)
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About ASTOM
Corporate Philosophy
Profile
History
Organization
We are pleased to inform you that ASTOM Corporation, the Ion Exchange Membrane manufacturer and a jointed company of Tokuyama Corporation and Asahi Chemical Industry CO.,Ltd. founded in 1995, has restarted as the general production company of hydrocarbon ion exchange membrane and electrodialyzer integrated with all business activities, including R&D, production, and Sales & Marketing of both parent companies on January 1st 2004. We would like to express our deep gratitude to customers who have supported us.
Since having been developed in 1950, the ion exchange membrane associated business that has grown with the table salt manufacturing enterprise in Japan, has extended the application in many industrial fields such as conventional treatment processing of food, water, pharmaceutical products, and various waste effluents. Now, the ion exchange membrane, the core technology of ASTOM Corporation, has been evaluated as the top level of the world.
"Worldwide environmental preservation" is one of themes symbolizing culture of the 21st Century and many interests are being concentrated to this theme. The ion exchange membrane technology is becoming the highly useful and efficient ones not only in industrial wastewater treatment, but also in desalination of leachate, removal of nitrate ion from underground water, cattle sewage treatment, soil hardening, purification of organic acid for biodegradable polymer, etc.
We will concentrate the activities of both parent companies for application of ion exchange membrane and electrodialysis technology, and provide the customers with more satisfactory technology. Guidance and encouragement will be appreciated more than before.

President
Yoshio Tani

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