Business Overview and History
series connects to a sustainable future
while overcoming water and oil issues
Business Category
Manufacturing and selling 
series of products
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OILnax
Degreasing liquid that can handle severe oil stain caused by soil contamination and sea water.
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AQUAnax
Strong alkaline electrolysed water that does not pollute the environment, generated with 99% water.
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JIAnax
Decontaminating deodourising solution, having hypochlorous acid water solution as its main component, can even prevent viruses.
History
History of Nakajima Sangyo Co., Ltd.
Nakajima Sangyo Co., Ltd. was founded in Tokyo in 1929 as a manufacturer of forged products, and has been manufacturing and selling special steel forgings for over 80 years.
| 1929 | Founded as Nakajima Iron Works in Gotanda, Shinagawa-ku, Tokyo. |
|---|---|
| 1934 | Moved to Haneda, Ota-ku, Tokyo |
| 1965 | Changed trade name to Nakajima Sangyo Co., Ltd. |
| 1979 | Moved to Keihinjima in the same ward to solve pollution problems and increase the size of machinery and equipment. |
| 2007 | Established the current company, the “Environmental Business Department,” in Takanawa, Minato-ku, Tokyo. Started manufacturing and selling the following 3 products as part of nax series. – Degreasing Liquid [Detergent][Oil Decompostion Detergent] – OILnax – Decontaminating Liquid [Detergent] – AQUAnax – Deodorising [Solution] – JIAnax *Initially only products for professional use Above OILnax, AQUAnax and JIAnax have all been trademarked. |
| 2009 | “Environmental Business Department” became a separate corporation (parent body of current business entity) |
| 2010 | Start of manufacturing and sales of AQUAnet spray system *Old model
Above AQUAnet has also been trademarked. |
| 2011 | Started manufacturing and sales of “Environ Mill Water Generator,” a device that generates “Environ Mill Water” to replace cutting oil for metal processing field.
*Note: Production and sales ended in October 2022. |
| 2015 | Moved the head office and manufacturing base to Nihonbashi, Minato-ku, Tokyo to unify them. |
| 2016 | Started sales of JIAnax Decontaminating Deodorising Solution for general households as a measure to prevent infectious diseases. |
| 2017 | Acquired a new patent for “Environ Mill Water Generator,” a device that generates “AQUanax” alkaline electrolyzed water, degreasing agent and “Environ Mill Water” to replace cutting oil for metal processing field.
“Equipment for producing water-soluble coolant obtained by diluting water-soluble cutting fluid with alkaline electrolyzed water and alkaline
water-soluble coolant obtained by diluting water-soluble cutting fluid with electrolyzed water” |
| 2019 | Moved to current base in Yokohama City, Kanagawa Prefecture |
| 2020 | Started manufacturing and sales of ”AQUAnet (AF1002)”spray system *Current model |
| 2024 | Obtained a new patent in the cosmetics field for the alkaline electrolyzed water/degreasing detergent “AQUAnax”
“Skin care cosmetics free of sodium hydroxide and potassium hydroxide” |
Contact
Please feel free to ask us any questions or handling information regarding our products.