Nanjing Electric (Group) Co., Ltd., established in 1936 as the Central Electric Porcelain Factory, is a premier high-technology manufacturer specializing in high-voltage electrical insulation and substation equipment. Headquartered in Nanjing, China, the company operates as a core enterprise of the Baiyun Electric Group (BPG). With a sprawling 390,000 square meter facility and a workforce of over 1,400 employees—including 600 engineers—it is recognized as the birthplace of China's tempered glass insulators, capacitor bushings, and spark plugs. The company is a global leader in the production of toughened glass insulators, maintaining five automatic production lines with an annual capacity exceeding 12 million units. Its 'Thunder Lightning' (LD) brand products are utilized in over 300 ultra-high voltage transmission lines worldwide, reaching up to 1100kV HVDC. Beyond insulators, Nanjing Electric provides a comprehensive portfolio of power solutions, including composite and porcelain insulators, HV bushings, surge arresters, transformers, and modular box substations. The company also offers specialized equipment such as vehicle-mounted mobile substations and reactor protection devices. Committed to international quality standards, Nanjing Electric is ISO 9001 certified and its products comply with IEC, BS, AS, ANSI, and DIN specifications. The firm serves major utility providers globally and exports to over 100 countries, supported by advanced R&D centers and a national-level testing laboratory.
Toughened Glass Insulator
China Electric Equipment Group Co., Ltd.
🇨🇳 China
19905001-10000 peopleManufacturer/Trading Company
High capacity factory
Established brand
Large enterprise group
OEM manufacturer
Shipments
2
Key customer
ASH GROVE CEMENT
Key market
Asia
Description
China Electric Equipment Group Co., Ltd. (CEEG), established in 1990 and headquartered in Nanjing, is a leading high-tech manufacturer specializing in power transmission, distribution, and new energy solutions. With over 30 years of industry experience and a workforce of over 6,500 employees, the company operates three major production bases in Binjiang, Yangzhong, and Jurong. CEEG is recognized as one of the world's largest production bases for dry-type transformers and maintains a long-term strategic partnership with DuPont for Nomex insulation technology.
The company's comprehensive product portfolio includes a wide range of transformers (dry-type, oil-immersed, amorphous alloy, and mining explosion-proof), prefabricated substations, high and low voltage switchgear, and intelligent distribution networks. CEEG has also established a significant presence in the renewable energy sector, offering solar panels, inverters, and integrated lithium-ion energy storage systems (ESS). Their manufacturing capabilities support OEM, ODM, and customized engineering solutions for diverse sectors including aerospace, railway transportation, data centers, and petroleum.
CEEG is committed to international quality standards, holding certifications such as ISO 9001, ISO 14001, ISO 45001, UL, CE, and TUV. Their products are exported to over 150 countries and regions, serving a prestigious global clientele that includes ABB, Siemens, Schneider Electric, Saudi Aramco, and Rio Tinto. The company's advanced facilities feature automatic core shearing lines and vacuum casting equipment, ensuring high-efficiency and environmentally friendly energy solutions for major national and international infrastructure projects.
Amorphous Core Transformer
Distrubtion Transformer
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