Wastewater treatment system Jokaso MBR Hệ thống xử lý SBR Jokaso MBBR Aerotank treatment system Exposed Ventilation Technology The term Johkasou Waste gas treatment Composite machining Composite processing Production of composite tanks Trading of composite tanks of Japan Environmental Equipment Grease Trap Automatic fine screen FujiClean Wastewater treatment tank Supplement water treatment Maintainance Product and design automation Provision of control cabinets