Composite‑enclosure metal oxide surge arrester

The YH5CSX-17/38 composite‑outer‑sheath, externally series‑connected gap metal oxide surge arrester is independently developed by Liaoning Hualong Electric Power. It is designed for 10 kV distribution systems and serves as a protective device to safeguard distribution equipment and transmission lines from damage caused by atmospheric overvoltages and switching overvoltages. It has been recognized as a provincial-level "Specialized, Refined, Distinctive, and Innovative" product.

Outdoor High-Voltage AC Disconnect Switch

The GW series outdoor AC high-voltage disconnect switches are designed for power systems with rated voltages of 10–220 kV and below. They are used to open or close high-voltage lines under no-load conditions, providing a visible disconnection point during line maintenance to ensure safe electrical isolation. The product has also been awarded provincial-level honors such as the "Specialized, Refined, Distinctive, and Innovative" designation.

RW12 Type Outdoor AC High-Voltage Drop-Out Fuse

The RW12-12 outdoor AC high-voltage drop-out fuse, independently developed by Liaoning Hualong Electric Power, is designed for outdoor overhead distribution systems with voltages of 12 kV and below, serving as protection against overloads and short circuits for lines or power transformers. It has been awarded the Second Prize for Municipal Scientific and Technological Progress, among other accolades.