LEEYD: Pioneers in Electrical Automation, Lightning arrester & DC Shunts.

About Us

Forging a Brighter Future as Leaders in Electrical Innovation and Excellence.

Our Culture

Empowering Tomorrow, Rooted in Quality Today.

LEEYD: Empowering Tomorrow with cutting-edge electrical solutions, while staying Rooted in the Quality and Trust established since 1985.


Envisioning a Brighter Tomorrow as the Pioneers of Electrical Product Excellence.


Crafting Electrical Excellence to Elevate Client Value, Enrich Employee Welfare, Enhance Shareholder Profits, and Enrich Societal Well-being.

Easy Integration

LEEYD ensures easy integration of our top-quality electrical products, blending reliability with user-friendly application

New Technology

Explore LEEYD's new technology, merging decades of expertise with innovative electrical solutions for global industries.

Better Reliability

LEEDY: Your trusted partner in providing electrical solutions with unparalleled reliability since 1985.

Our Value

Empowering Progress: LEEYD's Commitment to Innovation, Quality, and Global Partnership

Empowering Progress” is not just a slogan at LEEYD; it’s our ethos, deeply embedded in every product we create and every partnership we forge. Since our establishment in 1985, we have been at the forefront of delivering innovative electrical solutions, meticulously crafted in our own factories, ensuring each product not only meets but exceeds the stringent quality standards the global industry demands. Our commitment extends beyond our comprehensive product range, reaching out to global partnerships, such as with Siemens and ABB, to enhance our offerings and ensure we are always ahead in providing technologically advanced, reliable solutions in the power and energy sector. With LEEYD, you are choosing a partner dedicated to pioneering progress, ensuring quality, and fostering global partnerships that drive the industry forward.

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Solutions Delivered

Why Choose Us

LEEYD: A Legacy of Excellence in Industrial Power Solutions

For over three decades, LEEYD has been synonymous with unparalleled expertise and groundbreaking innovation in the realm of industrial power. Our journey, marked by a commitment to quality and global influence, is a testament to our dedication. When you choose LEEYD, you’re not just opting for a product or service; you’re aligning with a legacy that prioritizes client satisfaction above all. Join us in shaping the future of power and energy, where excellence is not just a standard but our tradition.

Smart Solution

With LEEYD, experience three decades of unmatched expertise and innovation in industrial power solutions.

Certified Expert

Choosing LEEYD means aligning with a legacy of quality, global impact, and a steadfast commitment to client satisfaction.

Production line
This image shows a pile of DC shunt,which are likely used in electrical applications for measuring current. Each piece has a black insulating base and is fitted with two metal plates, likely made of brass, for conductivity.


About Us:
Founded in 1985 as the Nanjing Second Electrical Instrument Factory, we’ve set up additional manufacturing facilities in Nanyang, Yichun, Yueqing, and Ningbo. LEEYD has evolved into a leading name in the industrial power and energy sector. Our unwavering commitment is to provide reliable solutions that cater to the ever-evolving needs of the industry.

Our Products:

  • Surge Arresters: From AC and DC Metal Oxide Ordinary Surge Arresters ranging from 0.22kV to 500kV.
  • Tank-type Surge Arresters: Specifically designed for fully enclosed combined electrical appliances, especially GIS, spanning from 35kV to 500kV.
  • Diverse Range: Our expertise also encompasses other power and energy solutions, including DC shunts, Hall sensors, Surge Arrester‘Counter & Monitor, meters,and automation products.

Production Strength:

  • 6 million metal oxide resistor pieces annually.
  • 300,000 metal oxide surge arresters yearly.
  • 4,000 tank-type surge arresters for GIS each year.
  • 300,000 Counter & Monitor are produced annually.
  • 800,000 DC SHUNT & Hall sensors are produced annually.
  • 150,000 ammeter and voltmeter are produced annually.
  • Our robust production capabilities ensure we consistently meet our clients’ demands.

Facilities & Research:

  • State-of-the-Art Infrastructure: Featuring a 1000kV high-voltage test hall.
  • Dedicated Laboratory: For the analysis of metal oxide and silicone rubber raw materials.
  • R&D Excellence: Equipped with 91 sets of research equipment and helmed by a team of seasoned experts, we guarantee the pinnacle of quality and reliability in every product.
Certifications & Global Presence:
Our dedication to excellence is evident in our prestigious certifications: ISO9001, ISO14001, OHSAS18001, KEMA, and CE,
including the KOYO substation in Angola, Zambia’s national grid, and Iran’s national grid. etc.
Our Esteemed Partners:
We take pride in collaborating with industry stalwarts such as Siemens, ABB, Schneider Electric, NARI Group, and China Huadian Corporation.

Our Values: At LEEYD, our vision for the future is anchored in our core values. We emphasize technological innovation, uncompromised quality, the welfare of our team, and above all, the satisfaction of our clients.
Get in touch

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No. 701, Tianyin Avenue, Jiangning District, Nanjing, China

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We will contact you within 1 working day; please pay attention to the email with the suffix “@leeyd.com ”

Ask For A Quick Quote

We will contact you within 1 working day; please pay attention to the email with the suffix “@leeyd.com ”