"Water" is important and essential to our lives and natural ecosystem.It is no exaggeration to say that water is a source that grows civilization as ancient civilizations developed along rivers.Today in our country the concentration in cities and industrial growth contribute to water pollution, it deteriorates environment, and comfort is being lost.Our mission is to improve water quality of rivers, lakes, marshes, and sea, i.e. to regain clean water. Therefore, there is an urgent need for sewer expansion.We are confident that Ohara's sewage treatment facilities can, taking advantage of experience and technology of the product development and plant engineering over the years, surely meet your needs.