Let's eliminate pollution in rivers and oceans and restore a rich and pure water environment. We, Koyo Giken, are an environmental engineering company that plans, develops, and sells various equipment with the theme of the irreplaceable water that sustains life on Earth. Utilizing our outstanding technology and experience, along with various wisdoms that care for the Earth and nature, we strive to create products that contribute to water activation and recycling. We are confident that the water treatment equipment we have developed will demonstrate excellent performance in building environmental management systems and will significantly contribute to the environmental activities of the ISO 14000 series.