Nihon Genryo Co., Ltd. – Manufacturing of water treatment product and systems

Nihon Genryo was founded in 1939. At first, we were selling the glass material of “Quartz sand” by sieving know-how. In 1945, Nihon Genryo established brand- new company as a specialized “Filter Sand Media” under the department of technology and the governments, GHQ. After that innovation, we focused on supplying filter media. We have supplied about 80% of whole part of water purification plants managed Japanese local governments, also became a pioneer of the construction media recycling. We experienced a lot at water works site, recycling used media construction. From that know-how, we developed “Saito Tank” series which are absolutely different from other tanks. Now our products apply any water conditions such as waste water, underground water etc. at Plants, Construction sites, and disaster areas so on as well as the water works. We still keep challenging for the worldwide water problems.

Our Best Products, SAITO TANK SERIES
Nihon Genryo Co., Ltd. has more than 70 years experiences in the water treatment field in Japan. Our cutting edge products “Saito Tank series” differ from conventional filter tanks. It has very unique feature, “Saito washing system” which is innovational new technology ever and surely you can find what you are seeking.

This system is installed into all our filtration products. This technology achieves cost cut as well as stabilizing quality water. Filter media is always kept clean by strong washing system and media life can be expanded. Therefore, you don’t need to exchange media and can expect to reduce maintenance cost. Our technology will solve your water treatment problems.

• Saito Tank
  For filtration systems now used for small water systems or by private companies, filter media are replaced every six months to five years. Although these used filter media can be recycled if they are washed and rehabilitated, they are usually disposed of as industrial waste due to such problems as space for installing a washing system and costs for washing filter media…for more details, click here

• Saito Washing System
  We produced SWS here in Japan and brought in Germany first to experiment its capacity with our exclusive distributor, Ecotron GmbH in Celle, Germany. They did demonstration test on actual filter tank. Since this test succeeded, we have been promoting to sell it from April, 1st, 2009 in Japan and the entire world as well…for more details, click here

• Mobile Saito Tank
  Wastewater treatment on civil work site put extreme load on filter media. As a result, we have to do a lot of additional work and cost on it. However our amazing product Mobile Saito Tank (MST-700 or MST-1600) will get along with it. Media sand keeps constantly clean by our original kneading washing system which is installed into the tank…for more details, click here

• Activated Carbon Saito Tank
  Activated carbon treatment has been widely adopted due to the strengthening of the effluent standard and legal revision, as well as instruction to switch from discharge into rivers to discharge into sewerage areas and necessity for compliance with environmental programs under ISO 14000. In conventional activated carbon treatment systems, activated carbon…for more details, click here

• Activated Carbon Saito Tank
  Our filter media have earned a good reputation with purification plants across Japan where very high quality is required. The quality of filter media is very important especially in relation to drinking water and food manufacturing for which especially high-quality treated water is required in the area of well water (groundwater) treatment, as well as in …for more details, click here