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PRODUCTS
Current
Transformers
Voltage
Transformers
Current
Probe
Current
Transducers
Voltage
Transducers
Meters
APPLICATIONS
Power
Monitoring
Smart
Grid
EV
Charger
Automation
Renewable
Energies
Railway
Power
Supply
Welding
Drive
BLOG
Split Core AC CT
Split Core DC CT
Precise AC/DC VT
NEWS
Press
Launches
Trade Shows
COMPANY
About J&D
Our Technology
Contact