Robust grid connection & distribution
+86 18513032986

DSJ delivers end-to-end electrical infrastructure for industrial and commercial sectors. We power everything from high-voltage transmission networks to mission-critical facility operations with precision-engineered systems.
Robust grid connection & distribution
Safe, efficient end-point utilization

Grid protection & automation
Facility-level control & safety
Voltage conversion
backup power
USA,Arizona,Utility Upgrade Project
USA,Ohio, Marysville IPP 765 kV Substation Upgrade Project
USA,Nevada,Solar Public Utilities Supply
USA,California, Gen 3 Pilot Switchgear Project for Solid State Transformers
Canada,Ontario,Niagara Falls City Substation Renovation Project
Canada,Quebec,Medium Voltage Switchgear Project for Industrial Smelter
Australia,Melbourne,Epworth Hospital Lighting Solution
Australia,Queensland Railway Substation Upgrade Project (Rail Transit)
Australia,Victoria Zone Substation Upgrade Project (Environmental Retrofit)
Industrial-grade resilience securing mission-critical infrastructure: from mega steel plants and hospitals to large-scale residential complexes and public utilities.
High-efficiency transformers and switchgears designed to significantly reduce operational expenses.
Tailored solutions for specialized needs: complicated environments, space optimization, and load management.
Intelligent monitoring and predictive maintenance through the DSJ IoT Platform.