Pinggao Group is affiliated to China Electrical Equipment Group Co., Ltd., founded in 1970. It is a major technical equipment pillar enterprise in my country's electrical industry. It has strong large-scale high-end power equipment research and development and manufacturing capabilities and excellent energy system integration solutions in the industry. ; It is a national high-tech enterprise and a national innovative enterprise.

After more than 50 years of development, Pinggao Group has formed a complete set of services covering the research and development, design, manufacturing, sales, testing, operation and maintenance of power transmission and distribution equipment, general contracting of power engineering, full-process engineering consulting, comprehensive energy services, Business structure of power energy storage, electric boiler and thermal energy storage, offshore wind power grid-connected equipment, smart grid equipment, and charging and swapping facilities. An industrial layout with the heart of the Central Plains as the center and its tentacles are spread throughout the Beijing-Tianjin-Hebei region, the Yangtze River Delta, the Bohai Rim and other economic zones. Actively expand the "Belt and Road" market, and its products cover more than 70 countries and regions including Eastern Europe, Southeast Asia, the Middle East, Africa, South America, and Oceania.

In September 2013, the Huainan Station of the Anhui Power East Transmission Project was put into operation, and the ZF27-1100(L)Y6300-63 metal sealed switch equipment developed by Pinggao Group was successfully used in the Huainan Station of the Anhui Power East Transmission Project. The completion and commissioning of the power station solved the problem of short-circuit current exceeding the standard of 500kV power grid in East China and met the electricity consumption needs of the Yangtze River Delta region.

Pinggao Group insists on independent innovation, masters the R&D and manufacturing technology of AC and DC, full series and full voltage grade switch products, and forms a new R&D system of "three hospitals, two institutes, two centers and one base", and develops a series of switch development leading my country and breaking The first set of products that monopolize foreign countries and improve the level of national equipment, especially in the fields of ultra-high voltage AC and DC switches, DC wall casings, environmentally friendly switches, and power energy storage, reaching the world's advanced level. The products are widely used in key power projects in my country, and have successively provided complete sets of equipment and technical services for key engineering projects in many countries.

In September 2019, the Sutong GIL comprehensive pipeline project of Huainan-Nanjing-Shanghai 1100kV AC ultra-high voltage transmission project was put into operation. Pinggao Group has completed the development of 1100kVGIL products and successfully applied them to Sutong GIL.