Nanjing Rainbow Electric Co., Ltd Condenser bushings products are classified as Wall Bushing, Transformer Bushing, GIS Lead-out Bushing, Oil/Oil bushing that connects transformer and oil-filled equipment, and Oil/SF6 bushing that connects transformer and GIS. According to the capacitive main insulation, products are classified as Oil Impregnated Paper (OIP) Capacitor Bushing, Resin Impregnated Paper(RIP) Bushing, Glassfiber Reinforced Plastic (GFRP) Dry-type Bushing, and Vacuum Epoxy Resin Impregnated Fiberglass (RIP) Capacitor Bushing.