Overview
As a trusted manufacturer of magnetic components, Sirui-Tech delivers high-performance electrical transformers for global industrial and commercial customers. Our product portfolio includes encapsulated transformers, high frequency transformers, high voltage ignition transformers and LAN transformers. All units are engineered for stable voltage conversion, robust insulation, low power loss and extended service life, complying with international electronic and industrial standards.
Our encapsulated transformers adopt fully epoxy sealed construction for dustproof, moistureproof and high dielectric strength, ideal for harsh operating environments. High frequency transformers feature compact size and superior conversion efficiency for switching power supplies and charging equipment. High voltage ignition transformers offer consistent ignition performance, while LAN transformers ensure reliable signal transmission for networking hardware.
Product Range
Encapsulated Transformer
Fully sealed structure, high insulation resistance, anti-interference. Widely used in home appliances and industrial control devices.
High Frequency Transformer
Compact footprint, low leakage flux, high efficiency, designed for switching power supplies and charging equipment.
High Voltage Ignition Transformer
Stable high voltage output, reliable ignition performance for industrial ignition and heating equipment.
LAN Transformer
High-precision signal transmission with EMI suppression, built for network communication hardware.
Features & Advantages
- Carefully selected raw materials including premium magnetic cores and copper wire to minimize power loss and ensure stable performance
- Precision winding and encapsulation processes for high voltage withstand and reliable insulation
- Flexible OEM & ODM customization, tailored to your requirements on voltage, dimension and application
- Broad application coverage for power supply, communication, industrial automation and new energy equipment
- Full in-house testing, 100% inspection before shipment to guarantee product quality
Applications
Our electrical transformers are widely deployed in new energy charging systems, industrial automation, household appliances, network communication hardware, high-voltage ignition equipment and switching power supplies, delivering stable power conversion and signal transmission for a wide range of electronic systems.

Electrical Transformer
- OEM & ODM Customization
- Free Sample Support
- 100% Pre-shipment Inspection
- Reply within 24 hours
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