HV ANSI 57-4
                        High-voltage, Low-voltage, High-temperature
                        Porcelain
                        Pin Insulator
                        A Type Insulator
                        High Voltage Power Transmission, Insulation, Electrical Installation
                        Trough Type
                        40KN
                        ISO9001
                        Grey
                        Hrd
                        30days
                        by Sea
                        Excellent High-Trmperature Resistance
                        with a Breakdown Voltage of 300-400kv
                        HRD
                        Wooden Box
                        Porcelain
                        China
                        


