Pinggao

Pinggao, formally Henan Pinggao Electric Co., Ltd. (河南平高电气股份有限公司), is a Chinese electrical-equipment company and a listed subsidiary controlled by China Electrical Equipment Group Co., Ltd. Its shares have traded on the Shanghai Stock Exchange under ticker 600312 since 21 February 2001. The supplied company profile does not state a founding year or identify a founder. The company describes itself as a major enterprise in China’s electrical-equipment industry and a research and manufacturing base for high-, extra-high- and ultra-high-voltage switchgear and complete power-station equipment. Its core business covers research and development, design, manufacture, sales, installation, testing, overhaul, and service for transmission and distribution equipment and key components. The company says it has developed capabilities across AC and DC switching products and voltage levels. Its product range includes gas-insulated switchgear and hybrid gas-insulated switchgear, circuit breakers, disconnectors and earthing switches, DC-field equipment, gas-insulated transmission lines, vacuum circuit breakers, substations and modular prefabricated substations, railway electrification switching equipment, and online monitoring devices. Related components and manufacturing capabilities include instrument transformers, surge arresters, operating mechanisms, insulation parts, bushings, vacuum interrupters, machining, and surface treatment. The company also lists power-system inspection and maintenance, equipment integration, and electric-boiler activities among its businesses. Pinggao reports that its products, technology, standards, and services reach more than 100 countries and regions. It offers integrated project services that can include survey and design, construction, equipment supply, installation and commissioning, operation and maintenance, and training. The company’s stated positioning emphasizes advanced electrical equipment, independent innovation, service to global power construction, and support for energy-transition and smart-grid development. The official company profile reports 12 wholly owned or controlled subsidiaries, one joint venture, more than one million square metres of site area, and more than 5,890 major processing machines. These are company-reported operational figures, not independently verified estimates. The official site also identifies senior management and reports product and engineering developments, including new-product appraisals and a 550 kV environmentally oriented gas-insulated transmission line placed into operation in 2025.

Pinggao operates as Henan Pinggao Electric Co., Ltd., a Chinese manufacturer and service provider in the electrical-equipment sector. The supplied official company profile identifies it as a listed company controlled by China Electrical Equipment Group Co., Ltd. It records that Pinggao was listed on the Shanghai Stock Exchange on 21 February 2001 under stock code 600312; this is a documented listing date, not a stated founding date. The supplied material does not identify the company's founder or give a separate year of establishment. The company describes its role as a major enterprise in China's electrical-equipment industry and a research and manufacturing base for high-, extra-high- and ultra-high-voltage switches and complete power-station equipment. Its business extends across the equipment lifecycle: research, design, production, sales, installation, testing, inspection, maintenance, and service. The company states that it has developed AC and DC switching products across a full range of voltage levels. Pinggao's official profile lists a broad portfolio for transmission and distribution systems. It includes gas-insulated and hybrid gas-insulated switchgear; SF6 tank and post-type circuit breakers; AC and DC disconnectors and earthing switches; DC-field equipment; gas-insulated metal-enclosed transmission lines; vacuum circuit breakers; electrical assemblies; railway electrification switchgear; mobile and prefabricated modular substations; and online monitoring equipment. Supporting products and processes include instrument transformers, surge arresters, hydraulic and spring operating mechanisms, insulation components, composite insulators, wall bushings, SF6 recovery and purification equipment, vacuum interrupters, machining, and surface treatment. The website also identifies equipment integration, electric boilers, and maintenance services as business areas. The company reports manufacturing capacity and infrastructure that support this portfolio, including more than 5,890 major processing machines and a site area exceeding one million square metres. It lists 12 wholly owned or controlled subsidiaries and one joint venture in its company profile. These are company-reported figures in the supplied official material. Pinggao also describes an international operating footprint: products, technologies, standards, and services have been exported to more than 100 countries and regions. Its stated integrated-service offering can cover survey and design, engineering construction, equipment supply, installation and commissioning, operation and maintenance, and training. The official profile says Pinggao has pursued independent innovation and participated in the project “Key Technologies, Complete Equipment and Engineering Applications for UHV AC Transmission,” which received the 2012 National Science and Technology Progress Award special prize. It also recounts the development of high-voltage equipment including 252 kV and 550 kV circuit breakers, 252 kV and 800 kV GIS, 816 kV and 1120 kV DC disconnectors, 1100 kV GIS, and UHV GIL. These examples document the technical areas emphasized by the company; the supplied page does not provide dates for each product development. Recent company-site reporting in June 2025 highlighted a 550 kV perfluoroisobutyronitrile environmentally oriented gas-insulated transmission line developed with Pinggao Group and put into operation at a substation in Anqing, Anhui. The site also reported Pinggao's role in the Ningxia Tianshan 750 kV transmission project, where it supplied 800 kV HGIS, and development of an 800 kV AC GIL line. In July 2025, the company reported that four new-product technologies passed a national-level appraisal and that three were assessed as internationally leading. These examples show the company's current communications focus on high-voltage grid equipment, technical development, project delivery, and environmental equipment. The supplied sources do not document specific advertising campaigns or scandals.

• Listed on the Shanghai Stock Exchange

• Participated in an award-winning UHV AC transmission project

• 550 kV environmentally oriented gas-insulated transmission line enters operation

• Equipment supplied for the Ningxia Tianshan 750 kV project

• 800 kV AC GIL development reported

• Four new-product technologies pass national-level appraisal

A major Chinese power-grid equipment manufacturer and engineering-service provider, with a stated focus on high- to ultra-high-voltage switching technology, independent innovation, and global power-project service.

• GIS/H-GIS

  Gas-insulated and hybrid gas-insulated switchgear for power systems.

• Circuit breakers and disconnectors

  AC and DC switching equipment across medium-, high-, extra-high-, and ultra-high-voltage applications.

• Gas-insulated transmission lines

  Gas-insulated metal-enclosed transmission-line equipment, including GIL products.

• Substation and distribution equipment

  Equipment includes DC-field sets, modular substations, vacuum switchgear, and monitoring devices.

• Components and supporting equipment

  Components include operating mechanisms, insulation parts, bushings, surge arresters, and vacuum interrupters.

• 2021

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• Listing on Shanghai Stock ExchangeOther

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• Development of world's first 550kV C4-FN eco-friendly gas-insulated transmission lineOther

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• Supply of key equipment for Ningxia Tiandushan 750kV projectOther

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• Development of 800kV AC GIL transmission lineOther

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• Supply of 800kV tank circuit breakers for Zhongning converter stationOther

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1. 1河南平高电气股份有限公司pinggao.com
2. 2公司简介 - 河南平高电气股份有限公司pinggao.com
3. 3管理团队 - 河南平高电气股份有限公司pinggao.com
4. 4荣誉 - 河南平高电气股份有限公司pinggao.com
5. 5平高电气控股子公司未按规定自行监测，环境违法被罚5万元nbd.com.cn