Guizhou Delong Electrical Group Co.,Ltd
About Us
Guizhou Delong Electrical Group Co.,Ltd
Guizhou Delong Electrical Group is a high-tech enterprise specializing in the development, production and sales of power transformers, special transformers, and high-voltage and low-voltage complete equipment. Main activities: power transformers, special transformers, high-voltage and low-voltage complete equipment.
130+
Number of personnel
17+
Intellectual Property
100mu
Production area
3+
Global presence
Products
Our products
KKSG Mine dry transformer for general purpose
KKSG Mine dry transformer for general purpose
Three-phase complete transformer substation of American type
Three-phase complete transformer substation of American type
JP Multifunctional distribution cabinet for outdoor installation
JP Multifunctional distribution cabinet for outdoor installation
Integrated boost substation with energy storage and converter (AC/DC)
Integrated boost substation with energy storage and converter (AC/DC)
Benefits
Our advantage
Global strategic presence
Factories and representative offices in Central Asia, Southeast Asia and Africa. Products are exported to North America, Central Asia, Southeast Asia, Africa and other countries and regions.
International certification system
The company is certified according to ISO standards, and also has international certificates CE (European Union), EAC (Customs Union) and GOST (Russia). The products meet the technical requirements and safety standards of the world's major markets.
Leading production facilities
The largest enterprise in the Guizhou region in terms of production and sales of transformers. The annual sales volume exceeds 300 million RMB. It has the capabilities of large-scale serial production of products.
Global Supply Chain and Logistics Hub
The enterprise is located in the high-tech zone of Longli, Guizhou Province, in close proximity to high-speed railways, expressways and the international airport. The distance to Guiyang City and Longdongbao Airport is 30 km, ensuring high logistics efficiency.
Own developed technology
The company has 2 software registration certificates and 15 utility model patents. Computer aided design (CAD) has been introduced. Particular attention is paid to the development of energy-saving, low-carbon and smart products.
Global service 7×24
The company is committed to providing customers with timely and comprehensive services, enhancing the customer value of its products and offering superior service to ensure a worry-free experience for customers.
Market
Full-scale market development
The company's products cover markets throughout the country and have been recognized by State Grid and Southern Electric Grid companies such as Jiangsu Electric Power Co., Ltd., Anhui Electric Power Co., Ltd., Guangxi Electric Power Co., Ltd., Guizhou Electric Power Co., Ltd., Xinjiang Electric Power Co., Ltd., Jiangxi Electric Power Co., Ltd., Yunnan Electric Power Co., Ltd., Jilin Electric Power Co., Ltd. Products are also exported to countries and regions of Central Asia, Southeast Asia, Africa and North America.
Services
Scope of our services
Technological developments and customized solutions
In accordance with customer requirements, the company carries out research, development and customized production of environmentally friendly, energy-saving and low-carbon power transformers and complete equipment.
Global Sales and Export Services
The company's products cover power grid companies in many provinces in China, and are also exported to Central Asia, Southeast Asia, Africa and North America. The company has an ISO quality management system certificate, as well as international certificates CE (European Union), EAC (Customs Union) and GOST.
After-sales and warranty service
A 7×24 hour service mechanism has been introduced. Free replacement during the warranty period, lifetime warranty on repairs, prompt response to customer requests.
Spirit of Entrepreneurship
Rigor and Honesty
In its further development, Guizhou Delong Electrical Group will continue to be guided by modern pace and management concept, focusing on sustainable development and mutual benefit.
Quality comes first
The company will continue to increase production scale, improve product quality and actively strive for continuous development in the direction of scaling and intensification.
Energy-saving innovations
Actively responds to the government's call to achieve carbon neutrality and peak carbon emissions.
Great product!
Oil transformer 10–20 kV
Oil-filled transformers 10–20 kV are made using a fully sealed corrugated tank and vacuum oil filling technology. They are characterized by stable and reliable operation, effectively slow down the aging of insulation and reduce maintenance costs.
Rated power
10–8000 kVA
Rated frequency
50 (60) Hz
Connection group
Dyn11, Yyn0
Winding material
Copper, aluminum
News
Latest news
2026-03-06 The global power transformer industry will continue to show strong growth in 2026
Based on three growth factors - the modernization of global energy...
2026-01-31 Delong Electric Group has successfully exported more than 100 oil-filled transformers to Central Asian countries, contributing to new achievements in cooperation under the Belt and Road Initiative
On January 31, at the production workshop of Guizhou Delong Electric Gr...
2025-03-10 Delong Electric Group successfully exported 13 22kV oil-immersed transformers to Wanxiang (Laos), further deepening China-Laos power industry cooperation
March 10, 2025, when the last oil transformer on...
Comment
Our client says
The company has implemented a “7×24 hours service mechanism” and also adheres to the after-sales service policy of free replacement during the warranty period and lifetime repair warranty, providing customers with timely and comprehensive service, enhancing the customer value of products and the level of super service, relieving customers of any worries.
"Favorable transport and geographical location, wide range and high quality of products."
Ivan
Head of Production"Having a full package of certifications, supplies for power grid companies both domestically and abroad."
Olga
Quality Engineer"24-hour after-sales service and repairs, reliable cooperation without unnecessary worries."
Alexander
Purchasing Manager"Own patented developments, energy efficiency and environmental friendliness, adaptation to various application scenarios."
Dmitry
Logistics Specialist
Enterprise mission
Paying attention to both the economic efficiency of the enterprise and its social impact, the company follows a development path based on conscientious business conduct and priority of service, increases investments in science and technology, accelerates the pace of its development in order to become a modern large enterprise of an energy-saving, environmentally friendly and intelligent type, making its contribution to the development of the global electric power industry!
All efforts of Delong employees are aimed at satisfying customer needs.