Leading Manufacturer of High-Voltage Insulators

For over six decades, Nanjing Electric’s tempered glass insulators have defined excellence in power transmission. With more than 100 million units sold, they stand as a trusted choice for reliability and performance worldwide.
Crafted from toughened glass, steel pins, and iron caps bonded with high-strength cement, each insulator is engineered for durability and safety.
Features such as zero-value self-breaking, high mechanical strength, superior arc resistance, and self-cleaning hydrophobic coatings ensure consistent, maintenance-free operation even under harsh conditions.
Available in Standard, Anti-pollution, DC, Aerodynamic, Out-rib, and Ground Wire types, Nanjing Electrical insulators deliver proven performance across power networks at home and abroad.
Nanjing Electric glass insulators deliver a balance of mechanical strength, safety, and ease of maintenance: