Est. 1995 · Jiangyin, Jiangsu

Jiangyin Spark
Electronic Technology

A professional manufacturer devoted to the research, design, and production of electromagnetic products since 1995. Specializing in Split Core Current Transformers, Rogowski Coils, and a full range of precision sensing solutions trusted by global energy and industrial leaders.

1995
Year Founded
145
Employees
6000
m² Factory
10K+
pcs / 7-10 days
ISO 9001 ISO 14001 ISO 45001 UL Listed CE UKCA RoHS
Jiangyin Spark Electronic Technology headquarters and factory overview
Business Type
OEM / ODM Manufacturer
Location
Jiangyin City, Jiangsu (Near Shanghai Port)
Core Products
SCT, Rogowski Coil, Solid Core CT, PCB CT, Mini VT
Target Markets
Solar, ESS, Smart Meter, EV Charging, Industrial

Our Facility

Factory

Spanning 6,000 m² in Jiangyin City near the Port of Shanghai, our modern facility is equipped with advanced manufacturing infrastructure to support high-volume, precision electromagnetic product production.

Spark Electronic factory exterior Factory workshop floor Warehouse and logistics area

6,000 m² Facility

Fully integrated production and warehousing space designed for efficient workflow from raw material intake to finished goods dispatch.

Strategic Location

Located near the Port of Shanghai, enabling cost-effective domestic logistics and rapid international shipping to global customers.

Fast Delivery

Production capacity of 10,000+ pieces within 7-10 days, ensuring reliable lead times for large-scale OEM and ODM orders.

Manufacturing

Production Line

Our production lines are continuously upgraded with mechanization and digitalization to meet the precision demands of electromagnetic component manufacturing. Every line is calibrated to deliver consistent quality at scale.

Automated Winding & Assembly
Precision-controlled winding machines ensure consistent coil parameters across all transformer types including SCT and Rogowski coils.
Injection Molding & Housing
In-house plastic housing production with tight dimensional tolerances for split-core and solid-core product enclosures.
Potting & Encapsulation
Epoxy potting processes protect internal components from vibration, moisture, and electrical interference for long-term reliability.
High-Volume Capacity
10,000+ pieces per 7-10 days with scalable capacity to support large OEM purchase orders and seasonal demand spikes.
Spark Electronic production line
Winding machine close-up Assembly and packaging area

Innovation

Research & Development

Since 1995, continuous investment in R&D has driven Spark Electronic to the forefront of electromagnetic sensing technology. Our engineering team holds numerous registered invention and utility model patents.

R&D laboratory at Spark Electronic

Our R&D Capabilities

Custom Design Engineering
Professional engineers design products to customer specifications -- ratio, burden, accuracy class, form factor, and connector type.
Patent Portfolio
Multiple registered invention and utility model patents protecting innovations in split-core, Rogowski, and miniaturized transformer designs.
Industry Awards
2010 Jiangsu Province Engineering Industry Improvement Award Second Prize; Wuxi City High and New Technology Enterprise.
Digitalization Drive
Continuously promoting mechanization and digital transformation across design, simulation, and production validation workflows.

OEM / ODM

Full OEM and ODM support. Provide your specs, drawings, or samples -- our engineers will develop a solution from prototype to mass production.

Product Range

  • Split Core Current Transformer (SCT)
  • Flexible Rogowski Coil
  • Split Core Current Sensor
  • Solid Core Current Transformer
  • PCB & Wire Lead CT
  • Mini Voltage Transformer

Target Industries

Solar / PV
ESS
Smart Meter
EV Charging
Smart Grid
Data Centers
Industrial
IoT Energy

Standards & Compliance

Quality Control

We strictly adhere to general industry standards, striving to provide highly accurate, high-quality products paired with proactive and efficient customer service. Every product undergoes rigorous multi-stage inspection before shipment.

Quality control testing laboratory
Electrical testing equipment Final inspection and packaging

Certifications

ISO 9001
Quality Management
ISO 14001
Environmental Management
ISO 45001
Occupational Health & Safety
UL Listed
UL 2808 Certification
CE
European Conformity
UKCA
UK Conformity Assessed
RoHS
Restriction of Hazardous Substances

QC Process

01
Incoming Material Inspection
Core material, copper wire, and housing components verified against specs
02
In-Process Quality Check
Winding ratio, impedance, and dimensional checks at each production stage
03
Electrical Performance Testing
Accuracy class, burden, phase angle, and dielectric strength tested per IEC/UL standards
04
Final Inspection & Shipment
100% outgoing inspection with test reports provided upon request

100% Testing

Every unit undergoes complete electrical and dimensional testing before leaving the factory -- no sampling shortcuts.

High Accuracy

Products manufactured to meet Class 0.1, 0.2, 0.5, 1.0 accuracy classes for demanding metering and monitoring applications.

Traceable Records

Full production traceability with batch records, test data, and certification documentation available for every order.