... ISO9001 2.Own test laboratory; 3.rated voltage from10-330KV
composite insulatorSmall volume and light weight, easy to transport and ... reliability of power line; Extraordinary hydrophobic and resistance to contamination;
Long-duration resistance aging and leakage tracking.Rated Voltage 110KV Rated ... voltage
: ≥500kV Power frequency withstand voltage(wet): ≥ ≥230kV suspension composite insulators