Electrical Components for Measurement, Monitoring & Protection
DC current shunts, current sensors, panel instruments, and surge protection components for industrial power, energy, automation, and OEM applications.
Core Product Portfolio
Explore our core products for current measurement, industrial monitoring, surge protection, and OEM applications.
DC Current Measurement
Standard and custom DC shunts for industrial equipment, welding systems, energy storage, and high-current applications.
Current Sensors & Transformers
Hall effect current sensors and AC current transformers for measurement, monitoring, and control systems.
Surge Protection
Metal oxide surge arresters, counters, and monitors for low-voltage, 10kV, and 35kV systems.
Industrial Instruments
Analog and digital panel instruments for industrial, marine, railway, and power monitoring applications.
Built for Reliable Industrial Supply
Specification support, flexible production, and quality control for industrial and OEM requirements.
Application & Specification Support
We review electrical ratings, dimensions, mounting requirements, drawings, and reference samples to help confirm the right product configuration.
Flexible Production & Global Delivery
Lead times are confirmed according to product type, specifications, and quantity. International shipping and customer-appointed forwarders are supported.
Inspection & Quality Control
Key products undergo material inspection, in-process verification, electrical testing, and final inspection. Test records and relevant documents are available where applicable.
Selected Companies and Projects We Have Supported
Our products have supported industrial, energy, and equipment manufacturing applications through direct supply and project partnerships.
Four Decades in Electrical Engineering
1985 — Our Origins
Our roots date back to 1985, when our predecessor began producing electrical measuring instruments and related components.
2008 — Restructuring & Expansion
Following restructuring in 2008, the business expanded its product portfolio, supply network, and support for international customers.
Today — Supporting Industrial Customers
Today, LEEYD supports industrial, OEM, and project customers with electrical measurement, monitoring, surge protection, and customized components.
Applications Across Power & Industry
Our components support current measurement, power monitoring, and surge protection across industrial and energy systems.
Industrial Power & Automation
Current measurement and monitoring components for industrial equipment, control systems, and production facilities.
Power & Energy Infrastructure
Measurement, monitoring, and surge protection components for substations and power distribution systems.
Energy Storage & DC Systems
DC current measurement components for battery systems, chargers, welding equipment, and industrial DC power applications.
Renewable Energy
Current measurement, monitoring, and surge protection components for solar, wind, and related energy systems.
Selected Projects & Applications
See how we support industrial and project customers with specification review, customization, testing, and international delivery.
Customized DC Shunts for Industrial Equipment
Industrial Equipment Customer | India
The customer required DC shunts with specified current ratings, voltage drop, dimensions, and terminal configurations. We coordinated specification confirmation, production, individual testing, packing, and export delivery.
Surge Protection for Power Distribution
POWER DISTRIBUTION CUSTOMER | AFRICA
Product models were reviewed according to the system voltage, installation conditions, and project specifications. We supported model confirmation, documentation, production follow-up, and shipment coordination.
Custom Panel Instruments for Industrial Monitoring
MARINE EQUIPMENT CUSTOMER | SOUTHEAST ASIA
The customer required customized electrical ratings, scales, labeling, and panel installation dimensions. We supported specification confirmation, sample review, batch production, inspection, and delivery.
Application & Technical Support
We work with industrial and OEM customers to review specifications, confirm product configurations, coordinate testing and production, and support product-related application questions.
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Specification Review
We review electrical ratings, dimensions, mounting requirements, drawings, datasheets, and reference samples before quotation or production.
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Product Configuration & Customization
Standard products can be matched to the application, while custom configurations can be developed according to confirmed technical requirements.
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Testing & Production Coordination
We coordinate sample review, production requirements, electrical testing, and applicable inspection records according to the confirmed specifications.
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Application Assistance
Remote support is available for product selection, installation clarification, and product integration questions. On-site assistance may be arranged for selected projects.
Frequently Asked Questions
Common questions about specifications, customization, testing, lead times, and international delivery.
What information should I provide for a quotation?
Can you manufacture according to our drawing or reference sample?
Do you support samples and small trial orders?
What are your typical production lead times?
Can you provide test data or inspection reports?
Do you support international shipping?
Send Us Your Requirements
Share your product model, technical specifications, quantity, drawing, or reference sample. We will review your requirements and reply within one working day.
Email Us
[email protected]Call Us
+86 189 1339 3116Headquarters
701 Tianyin Avenue, Jiangning District,
Nanjing, China
