Tel: +86-183-6744-7977   E-mail: info@ei-jr.com
English
Our products are widely used in electronic and electrical equipment


ABOUT US
Jirui Electrical Appliance Co., Ltd., located in Yuyao City, Zhejiang Province, China, was founded in 2001 as a production-oriented enterprise specializing in manufacturing and processing international and various non-standard series of EI, UI, and TL silicon steel sheets, as well as toroidal iron cores.
Professional Techincal Team
We have an excellent technical team, which can be designed according to custom7*24 Hours Service

We have an excellent technical team, which can be designed according to customers requirements.
ers requirements.
12000
+
FACTORIES
85
+
EMPLOYEES
40
+
EQUIPMENT
ADVANTAGES
LATEST NEWS
Check our news to know more about Yuyao Jirui Electrical Appliance Co.,Ltd.​​​​​​​
Chamfering of Silicon Steel Toroidal Cores: Functions, Application Scenarios and Trade-off Reasons

Analyze silicon steel toroidal/transformer core chamfering functions & trade-offs, optimize performance via customized grinding for diverse scenarios.

2026-01-23
Chamfered or non-chamfered toroidal core.jpg
2026-01-23
Chamfering of Silicon Steel Toroidal Cores: Functions, Application Scenarios and Trade-off Reasons

Analyze silicon steel toroidal/transformer core chamfering functions & trade-offs, optimize performance via customized grinding for diverse scenarios.

READ MORE
What Is Silicon Steel? The Engine Behind Efficient Electrical Transformers

Title: What Is Silicon Steel? The Engine Behind Efficient Electrical TransformersIn the world of electrical engineering and power distribution, certain materials are fundamental to making our modern grid possible. One such material is silicon steel, also commonly known as electrical steel. But what

2025-12-25
Strip Coil_副本_副本.png
2025-12-25
What Is Silicon Steel? The Engine Behind Efficient Electrical Transformers

Title: What Is Silicon Steel? The Engine Behind Efficient Electrical TransformersIn the world of electrical engineering and power distribution, certain materials are fundamental to making our modern grid possible. One such material is silicon steel, also commonly known as electrical steel. But what

READ MORE
EI Silicon Steel Laminations: Definition, Advantages, And Applications

What is EI Silicon Steel Lamination?EI silicon steel laminations are core materials made by stamping silicon steel (also known as electrical steel) into "E" and "I" shaped pieces. The name derives from their distinct geometries:·E-lam: A three-limbed "E" shape;·I-lam: A straight bar that closes the

2025-06-16
带水印.jpg
2025-06-16
EI Silicon Steel Laminations: Definition, Advantages, And Applications

What is EI Silicon Steel Lamination?EI silicon steel laminations are core materials made by stamping silicon steel (also known as electrical steel) into "E" and "I" shaped pieces. The name derives from their distinct geometries:·E-lam: A three-limbed "E" shape;·I-lam: A straight bar that closes the

READ MORE
EI, UI, or Toroidal Core? A Quick Guide to Choosing the Right Shape

The shape of your transformer or inductor core (EI, UI, Toroidal) directly impacts efficiency, cost, and noise. Choosing the right core is the first step to optimizing your product design.Core Shape Comparison Chart

2025-12-23
标题.png
2025-12-23
EI, UI, or Toroidal Core? A Quick Guide to Choosing the Right Shape

The shape of your transformer or inductor core (EI, UI, Toroidal) directly impacts efficiency, cost, and noise. Choosing the right core is the first step to optimizing your product design.Core Shape Comparison Chart

READ MORE
SEND INQUIRY NOW
Contact Us
Jirui Electrical Appliance Co.,Ltd
The company maintains strict product quality control, providing high-quality products and services to global customers and earning recognition and trust within the industry.

QUICK LINKS

PRODUCT CATEGORY

CONTACT US
 Tel: +86-183-6744-7977
 E-mail: info@ei-jr.com
 Whats App: +86-18367447977
 Address: NO.7,Linnan New Village,Linshan Town,Yuyao,Ningbo,Zhejiang,China
Copyright 2023 © Yuyao Jirui Electrical Appliance Co.,Ltd. Sitemap/ Support By Leadong/ Privacy Policy