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Dedicated to empowering global electricity infrastructure, positioning at the forefront of world's porcelain insulator industry
Become the optimal supplier for the global power industry
Dedicated to empowering global electricity infrastructure, positioning at the forefront of world's porcelain insulator industry
Become the optimal supplier for the global power industry
Dedicated to empowering global electricity infrastructure, positioning at the forefront of world's porcelain insulator industry
Become the optimal supplier for the global power industry
Dedicated to empowering global electricity infrastructure, positioning at the forefront of world's porcelain insulator industry
Become the optimal supplier for the global power industry

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ABOUT DLIG

About Dalian Insulator Group

Dalian Insulator Group (Stock Code: 002606), founded in 1915, is China's largest overhead line porcelain insulator service provider and a core enterprise in China's power industry supply chain. With over 2,000 employees, the company has its management headquarters in Hangzhou and business headquarters in Dalian.
Specializing in the systematic R&D, design, manufacturing, marketing, and service of full-series, full-specification, high-quality insulator products including cap and pin porcelain insulators, rod-type post porcelain insulators, and composite insulators, the company's products are widely used in smart grids, energy and power, green buildings, intelligent manufacturing, and smart transportation.

Founding Yea

Years

Company Patents

Export Experience

Years

Sales Volume (UHV Lines)

Million Pieces

GLOBAL COMPREHENSIVES

Global Services

Dalian Insulator Group has exported to more than 100 countries and regions. As a leading enterprise in China's insulator export industry, it was among the first to obtain high-voltage supply qualifications in India, Pakistan, the Philippines, and other countries. Leveraging the opportunity of the "Belt and Road" Initiative, its overseas business has achieved vigorous development once again.
More than 100 exporting countries

Mainbusiness

Porcelain Insulators
Porcelain Insulators
Overhead Line Porcelain Insulators
Referring to porcelain insulators used in overhead power transmission and distribution lines to support or suspend conductors, they can be used in series on transmission lines of any voltage level and are the most widely used insulators in high-voltage transmission lines.
product catalogue
Power Station Post Porcelain Insulators
Composed of one or more components, they serve as rigid supports for live parts and insulate them from the ground or other live parts, mainly used in high-voltage substations, power plants, converter stations, and other locations.
product catalogue
Low-Voltage Power Distribution Products
Indispensable basic components in low-voltage power systems, the diversified product types can fully meet the needs of different scenarios such as conductor support, tension adjustment, and section insulation.
product catalogue
Composite Insulators
Composite Insulators
Overhead Line Composite Insulators
An insulation device applied in transmission lines, mainly used in high-voltage power transmission and transformation lines to fix and insulate between iron towers and conductors. Product types mainly include: rod-type suspension composite insulators, crossarm composite insulators, windage yaw composite insulators, line post composite insulators, and railway composite insulators.
product catalogue
Post Composite Insulators
Mainly used in power plants and substations to support and fix electrical equipment such as busbars, isolating switches, and smoothing reactors. Product types mainly include post composite insulators for substations and post composite insulators for converter station DC fields.
product catalogue
Hollow Composite Insulators
An external insulation device for power systems, mainly used in circuit breakers, GIS, transformers, power transformers, load switches, isolating switches, earthing switches, bushings, and other electrical equipment to provide electrical insulation and mechanical support.
product catalogue

performance

1000kV UHV AC Test and Demonstration Project of Jindongnan-Nanyang-Jingmen

China's first 1000kV transmission project

±800kV UHV DC Transmission Project of Gansu-Zhejiang

The world's first UHV DC transmission project adopting flexible DC transmission technology at both sending and receiving ends

A Model of Transmission and Distribution Cooperation Between the Company and Meralco of the Philippines

As the core power company in the Philippines, Manila Electric Company (Meralco) shoulders a critical mission in ensuring stable electricity supply and advancing sustainable development.

±800kV HVDC Transmission Demonstration Project of Dianxi-Guangdong

±1100kV HVDC Transmission Demonstration Project of Changji-Guquan

Power Grid Interconnection Project of Ngari and Central Tibet

News