Nanjing Electric Group Co., LTD was founded in 1936 under its former name of Nanjing Electro-Ceramic Factory. It is one of the largest scale, first class, enterprises in China for producing insulators and electro-apparatus products. Located in Nanjing City, Nanjing Electric is a high-technology manufacturer with quality management certified in conformity with ISO9001: 2000. The manufacturing scale, technology, advanced equipment, product offering, quality management, as well as company profits, are in an advanced position in this field in China. The trademark “Thunder-Lightning” on the products registered in 1937 is famous in this country.

The company covers an area of 390,000 square meters with a production area of 170,000 square meters. The campus consists of six professional systems and one joint venture. Nanjing Electric is the largest producer of toughened glass insulators in China. With about 2800 employees, over 600 are engineers. Five are senior experts who receive special allowance from the State Council Government, and seven have become Jiangsu Province “333 Project” training potentials.

The company now manufacturers 10 product categories consisting of thousands of varieties including 40~550kN HVAC and 160~550kN HVDC toughened glass insulators. Other products include 20~1000kV capacitor bushings, 110~220kV HV transformers, 15~220kV HV disconnections and HV porcelain insulators, large scale bushing insulators, and spark plugs. In addition to supplying the domestic electric power construction, railway electrification and subway industries, Nanjing Electric supplies quality products to more than 50 countries across the world. Toughened glass insulators, with technology gain from foreign expertise and relying on our own intellectual property rights of production, has achieved the current international products premium standard. As a result of Nanjing Electric’s technological innovation of new products, these toughened glass insulators have been used in over 300 foreign and domestic ultrahigh voltage transmission lines (up to 1000kV AC and 800kV HVDC). At present, the production capacity of toughened glass insulators is over 12 million units per year with 5 automatic production lines.