Custom Transformer & Magnetic Components Manufacturer
Guangzhou KATOY Electronics Co., Ltd. designs and manufactures custom transformers, inductors, chokes and reactors for industrial electronics, power conversion and OEM equipment. Explore product-family guidance or send your electrical and mechanical requirements for project review.
Engineering and Manufacturing Support for Custom Magnetic Components
Founded in 2004, Guangzhou KATOY Electronics Co., Ltd. specializes in custom transformers and magnetic components for industrial electronics, power-conversion systems and OEM equipment.
We use customer specifications, drawings and reference samples to review electrical, insulation, thermal and mechanical requirements for a specific project. The technical pages on this site explain the inputs for each product family.
KATOY Global Technical Site
Technical information and project support for custom transformers,
inductors and magnetic components used in industrial and OEM equipment.
For corporate information and the broader product catalogue, visit the
KATOY corporate website.
Custom Transformers, Inductors and Reactors
KATOY develops and manufactures custom transformers, inductors, chokes and reactors for power conversion, filtering, isolation and industrial OEM equipment.
High-Frequency Transformers
Custom magnetic solutions for switching power supplies, power conversion and high-frequency industrial electronics.
02Low-Frequency Transformers
Custom transformers for industrial equipment, control systems, power supplies and professional audio applications.
03Toroidal Transformers
Compact toroidal transformer solutions designed around electrical performance, dimensions and mounting requirements.
04Inductors & Chokes
Common-mode, differential-mode, power and toroidal magnetic components for filtering, EMI suppression and energy storage.
05Reactors
Custom reactors for industrial power conversion, filtering, energy systems and power-electronics applications.
06Single-Phase & Three-Phase Transformers
Industrial transformer solutions developed for specified voltage, power, insulation and installation requirements.
From Technical Requirements to Recurring Production
The electrical function, operating conditions, insulation needs and installation space guide the design work for each custom component.
Technical Review
Application, electrical parameters, dimensions and other project requirements are evaluated.
Engineering & Design
Materials, winding structures and construction are developed around the target requirements.
Prototype Development
Samples are manufactured for preliminary electrical and mechanical evaluation.
Validation
Key electrical, insulation and performance characteristics are verified before production.
Recurring Production
Approved designs move into controlled manufacturing and quality inspection.
In-House Manufacturing for Custom Magnetic Components
KATOY combines magnetic design with in-house winding, assembly, inspection and electrical testing. Manufacturing and verification follow the approved design and project requirements.
- Transformer and inductor winding
- Component assembly and insulation processing
- Material preparation and in-process quality control
- Electrical parameter and withstand-voltage testing
- Final inspection and recurring production to approved specifications
Verification Throughout Development and Production
KATOY operates an ISO 9001:2015 quality management system. Electrical and production inspections are applied according to product design and project requirements.
Magnetic Components for Industrial & OEM Applications
Our custom transformers and magnetic components are developed for power-electronic, industrial-control and specialized OEM equipment applications.
Looking for a Custom Transformer or Magnetic Component?
Send us your electrical specifications, drawings, application information or reference samples for technical evaluation.