New Energy Surge Protection Expert
Professional Protection for
Renewable Systems
Donghua Blue Ocean focuses on the research and manufacturing of Surge Protective Devices (SPD). Our DHO and DHE series comply with IEC 61643-11 standards, ensuring reliability for wind power, photovoltaic, and energy storage systems.
20+Industry Exp.
20+Countries
100+Global Projects

DHO40-440(1+0)-FM
Industrial Surge Protective Device

DHO40-440(1+1)-FM
Industrial Surge Protective Device

DHO40-440(3+0)-FM
Industrial Surge Protective Device

DHO40-750(1+0)-FM
Industrial Surge Protective Device

DHO40-750(2+0)-FM
Industrial Surge Protective Device

DHO40-750(3+0)-FM
Industrial Surge Protective Device
1,000+
Wind Farm Protection
Global SPD solutions provided for wind farms
20GW+
Solar Capacity
Over 20GW of PV installations protected
10+
Tech Innovation
Cumulative industry patents
10+
Service Network
Nationwide service points and support