广州市创崴电子有限公司

020-32031188

Guangzhou KATOY Electronics Co., Ltd.

Instrument Transformers are used in power systems, energy metering, protection circuits and industrial automation. They provide accurate measurement, reliable insulation and stable long-term performance for monitoring and protection applications.

Instrument Transformers

Instrument Transformers are used in power systems, energy metering, protection circuits and industrial automation. They provide accurate measurement, reliable insulation and stable long-term performance for monitoring and protection applications.

Instrument Transformers

Instrument Transformers are used in power systems, energy metering, protection circuits and industrial automation. They provide accurate measurement, reliable insulation and stable long-term performance for monitoring and protection applications.

Instrument Transformers

Instrument Transformers are used in power systems, energy metering, protection circuits and industrial automation. They provide accurate measurement, reliable insulation and stable long-term performance for monitoring and protection applications.

PRODUCT

Main products

Why choose KATOY

Professional electronic transformer and magnetic component manufacturer, providing stable, reliable, and efficient magnetic solutions for global customers

Quality Assurance

An integrated quality management system covering engineering, manufacturing, inspection and testing ensures consistent quality and long-term product reliability.

Engineering Capability

Our engineering team provides product design, prototype development and technical optimization, supported by flexible OEM/ODM manufacturing services.

Industry Experience

With over 30 years of industry experience, KATOY manufactures magnetic components for professional audio, welding equipment, renewable energy & energy storage, industrial power supplies, industrial automation and medical equipment.

Manufacturing Capability

Advanced production equipment and proven manufacturing processes support both prototype development and volume production with dependable delivery.

Magnetic Component Solutions for Global Industries

Guangzhou KATOY Electronics Co., Ltd.

Founded in 2004, Guangzhou KATOY Electronics Co., Ltd. is a manufacturer of Electronic Transformers and Magnetic Components. Our product portfolio includes High-Frequency Transformers, Low-Frequency Transformers, Toroidal Transformers, Audio Transformers, Inductors, Reactors and other custom magnetic components for applications in welding equipment, professional audio, renewable energy & energy storage, industrial power supplies, industrial automation and medical equipment.

Learn More

2008

year

Established in Guangzhou, China

m²

Manufacturing Facility

10

900

8000

Skilled Employees

Products Successfully Delivered

ABOUT US

PARTNER

Global Trusted Customers

Katoy Electronics Showcases High Frequency Transformers, Low Frequency Transformers and Toroidal Transformers at Prolight + Sound Guangzhou 2026

NEWS

News and Information

01 2026 / 06

Katoy Electronics Showcases High Frequency Transformers, Low Frequency Transformers and Toroidal 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.

27 2025 / 08

Power Transformers & Energy Storage Transformers Manufacturer in China - 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.

26 2025 / 02

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

News and Information

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.

Contact Us

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

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

Quick Links

Product Center

Low-Frequency Transformers

High-Frequency Transformers

Toroidal Transformers

WeChat QR code consultation

Inductors

Reactors

Contact Us

Single-Phase & Three-Phase Transformers

Instrument Transformers