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Johkasou
Johkasous are playing a vital role for the creation of exceptionally clean water environment in Japan.
With the high wastewater treatment performance and enhanced durability, johkasous offer both environmentally and economically positive effects to you.
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Over 7 million johkasous
By now, all buildings outside sewerage pipe network areas are equipped with johkasous in Japan.
Tremendous Economical Effect without Constructing Huge Pipeline Networks
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