Periodic and Shutdown inspections Once every one or two years, our professional staff will conduct an inspection in detail with customers and provide advice on appropriate repair plans. Services Electrostatic Precipitator Periodic and Shutdown inspections Repair Work Diagnosis of equipment and service life Large-scale repair and Renewal work Fabric Filter Water Treatment & Sludge Treatment Limestone-gypsum Desulfurization System Organic Solvent Exhaust Gas Treatment System