- Business
- Maezawa Industries, Inc. Maezawa Industries, Inc. (6489.T) engages primarily in the design, manufacture, sale, installation, repair, and maintenance of equipment for water supply, sewage systems, and environmental treatment in Japan and internationally. The company operates through three segments: Environmental, offering water treatment equipment including hybrid membrane filtration systems with submerged PTFE membranes, advanced oxidation systems, oxidation ditch nitrogen removal systems using dual dissolved oxygen control, membrane bioreactors, soil and groundwater purification systems, organic waste recycling equipment, and multi-mesh screens such as chain type, pin-rack, and Tres screens; Valve, providing gate valves, LO-TM control valves, butterfly valves, double-way butterfly valves, check valves, eccentric valves, quick air valves, hydrants, emergency shut-off valves, maintenance isolation valves, quick closing gates, sluice gates, weirs, taps, and flow balance products; and Maintenance, handling installation, repair, and operation of water sewage and purification facilities. Founded in 1937 and headquartered in Kawaguchi-Shi, Japan, at the Aqua Techno Center, Maezawa targets municipal waterworks, industrial clients, and wastewater treatment operators across Asia, with a focus on high-corrosion resistant technologies made in Japan. Recent developments include participation in the WOW TO JAPAN Project with installation and demonstration of its Chain Type Automatic Screen Unit at a wastewater treatment plant in Laem Chabang City, Thailand, extended through March 2025 following adoption in FY2023; exhibition of products at Thai Water Expo 2025 in Bangkok and Vietnam Water Week 2024 in Hanoi to promote wastewater treatment and waterworks solutions; and ongoing extensions of memoranda of cooperation with Amata Corporation PCL and Amata Water Co., Ltd. on high-quality industrial water supply using hybrid membrane systems, alongside academic collaborations with Sirindhorn International Institute of Technology.