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Add : Room 701, Building A1, No. 55 Runfa Road, Jiangning District, Nanjing, China

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Custom Magnetic Components Manufacturer

Designed for Power Electronics, Industrial Automation and Automotive Systems

High-Frequency Transformers

High-performance transformers for switching power and high-frequency applications
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Switching Power Transformers

Efficient power conversion solutions for industrial and electronic systems

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Toroidal Coils

High-efficiency energy storage and low-loss magnetic performance
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SMD Transformers

Compact surface-mount solutions for high-density PCB designs
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Power Inductors

Energy storage components for power conversion and DC-DC applications
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Common Mode Chokes

EMI suppression solutions for stable and reliable circuit performance
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Our Capabilities

M+

Annual Capacity

Employees

Founded In

Tailored Precision, Engineered for You

Nanjing Infinity Technology Co., Ltd. was founded in 2003. It is a high-tech enterprise specialized in the R&D, production, sales and integrated services of high-performance magnetic component products. As one of China’s leading manufacturers in the magnetic components sector, our product portfolio covers a full range of high-frequency magnetic components including transformers, inductors, filters and choke coils.

Magnetic Solutions for You

As a "Custom Magnetic Component Solutions Expert", we excel in offering customized transformers, inductors and coils for industrial, commercial and consumer fields—especially for advanced sectors like automation, computing, industrial control, medical equipment, telecommunications, new energy and aerospace.

Communication Equipment

For communication equipment such as 5G base stations and routers, we provide high - performance magnetic components including network transformers and high - frequency transformers.
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Security Electronics

In security electronics like surveillance DVRs and access control systems, our fixed inductors and encapsulated transformers are widely used.
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Automotive Electronics

In the automotive electronics sector, our customized inductors (such as rod - core inductors) and power transformers are widely applied. Designed to adapt to harsh working environments like extreme temperatures and vibrations
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DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

Quality & Compliance

Backed by ISO 9001 quality management, multiple patented technologies, and product-specific compliance documentation available upon request, we support reliable sourcing for global customers.

Common Mode Power Line Choke certification

Three-Phase Common Mode Power Line Choke certification

UU Common Mode Power Line Choke certification

UT Common Mode Power Line Choke certification

SQ Common Mode Power Line Choke certification

Download Patent Certificates

Customized Magnetic Component Solutions

The customization process starts with precise technical inquiries to understand customers’ requirements for product performance, size, and application scenarios.

ODM & OEM Services

The company provides ODM (Original Design Manufacturing) and OEM (Original Equipment Manufacturing) services tailored to customer specifications.

Free Sample & Efficient Supply Services

To help customers verify product performance and compatibility in advance, the company offers free sample applications.

Quality Assurance & Technical Support

Upholding the philosophy of "Excellence Through Professionalism," the company implements strict quality control throughout the product lifecycle.

News & Blogs

Core Considerations for Transformer Core Material Selection: From Performance Adaptation to Scene Implementation

23-September-2025

As the core carrier of magnetic circuit transmission, the selection of transformer core materials directly determines the energy efficiency, stability, and service life of the equipment. Driven by the demands of diverse scenarios such as new energy, industrial control, and medical equipment, the sel

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PQ Transformers: Reshaping the New Paradigm of Power Transmission in the Industrial Sector with High Power Density and Stability