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Guangzhou Katoy Electronics Co., Ltd. is a professional custom transformer and magnetic component manufacturer based in Panyu, Guangzhou, China. We specialize in the design, development and production of a full range of magnetic products including audio transformers, low-frequency transformers, high-frequency transformers, toroidal transformers, inductors, reactors, single-phase & three-phase transformers and instrument transformers.<br/>With an in-house R&D engineering team and automated production facilities, we provide one-stop solutions from prototype development to mass production for global clients. Our products are widely applied in industrial power supplies, new energy systems, audio equipment, industrial control, instrumentation and telecommunications industries. Adhering to strict quality control standards and full inspection procedures, we serve customers across Europe, the Middle East, Southeast Asia and the Americas with reliable products, competitive pricing and responsive technical support.
020-32031188

Guangzhou KATOY Electronics Co., Ltd.

Latest News & Industry Insights on Transformers and Magnetic Components

KATOY News

01

2026-06

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KATOY Showcases Audio Transformers at Prolight + Sound Guangzhou 2026

Guangzhou Katoy Electronics Co., Ltd. participated in Prolight + Sound Guangzhou 2026, showcasing High Frequency Transformers, Low Frequency Transformers, Toroidal Transformers, Ferrite Core Inductors, and other audio magnetic components. The event provided valuable opportunities to connect with global customers and discuss innovations in professional audio and power solutions.

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27

2025-08

8157
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Custom Transformers and Magnetic Components for Energy Storage Systems - KATOY

KATOY, a leading power transformers and energy storage transformers manufacturer from Guangdong, China, showcased reliable, efficient transformer solutions at the Asia Energy Storage Expo 2025.

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26

2025-02

14155
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How Transformer Technology Shapes Welding Machine Performance: Key Innovations in Power Conversion & Arc Control

How Transformer Technology Shapes Welding Machine Performance: Key Innovations in Power Conversion & Arc ControlMeta Tag

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Start Your Custom Magnetic Components Project
From product design and prototype development to volume production,
KATOY provides engineering support and manufacturing services for custom magnetic components.
Custom Design
Fast Response with OEM/ODM Support
Global Service
Supporting Customers Worldwide with Long-Term Partnerships
Reliable Quality
Strict Quality Control for Consistent Performance
Advanced Manufacturing
Automated Production with Lean Manufacturing
Copyright © 2024 Guangzhou KATOY Electronics Co., Ltd. All Rights Reserved.

Katoy Electronics – Custom transformer and magnetic component manufacturer in Guangzhou, China. Reliable quality, custom solutions and global export support.Power inductor and common mode choke for EMI filtering,Line reactor for VFD drives and renewable energy systems

Email: info@gzkatoy.com
Tel: +86 20 3203 1188
Address: No. 28-1, Gongye 1st Road, Tanshan Village, Hualong Town, Panyu District, Guangzhou, China
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