Transformer Bushing, Porcelain Insulator, Composite Insulator manufacturer / supplier in China, offering 2.5kV 2200A Epoxy Resin Transformer Bushing with 6 Holes Spade, 1.2kV 1200A 1′ Low Voltage Tri-Clamp Plastic Secondary Transformer Bushing, 1.2kV 417A 600A 5/8′ LV Plastic Secondary Bushing for Pad Mounted Transformer and so on.