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A subsidiary of State Grid Corporation of China and one of the leading enterprises in China's high-voltage switchgear industry, its product portfolio spans 12 kV to 1,100 kV. Vacuum circuit breakers from Pinggao are widely used in the construction of the State Grid's main transmission network. The company maintains a complete system of R&D, manufacturing, and type testing, with an annual production capacity ranking among the highest in the country. Products are exported to dozens of countries and regions worldwide.

Originating from the manufacturing arm of the Xi'an High Voltage Apparatus Research Institute, founded in the 1950s, this company is among the first in China to mass-produce vacuum circuit breakers. With deep technical heritage, its products are widely supplied to domestic and international power utilities and large industrial projects. The company holds a strong market position in the 12 kV and 40.5 kV circuit breaker segments.

A State Grid subsidiary that started with relay protection and automation equipment, XJ Electric is one of the few companies in China capable of simultaneously manufacturing circuit breaker units, secondary protection systems, and providing complete smart substation integration services. The seamless integration of its vacuum circuit breakers with its own protection devices creates a differentiated competitive advantage in the complete switchgear panel market.

The core electrical platform of the CHINT Group, offering a complete product spectrum from low-voltage components to medium- and high-voltage switchgear. Vacuum circuit breaker products have obtained multiple international certifications including IEC 62271-100, and a global sales network has been established covering Europe, Southeast Asia, South America, and other regions. CHINT is among the most internationally integrated private manufacturers in China.

A leading enterprise in Jiangsu Province's high-voltage switchgear sector, its product line covers medium-voltage vacuum circuit breakers, high-voltage disconnectors, and GIS equipment. Daquan has accumulated extensive project references in petrochemical, metallurgical, and power sectors, with products exported to the Middle East, Africa, Southeast Asia, and other regions, supported by rich experience in export certification.

A publicly listed company specializing in medium-voltage switchgear development. Its vacuum circuit breakers are primarily used as internal components for its own KYN28-series armored withdrawable metal-enclosed switchgear. Leveraging the overall advantage of its integrated switchgear solutions, BEIKAI holds a stable market share in metallurgy, mining, and municipal engineering sectors.

With years of deep focus on medium-voltage vacuum switchgear, the company has established a strong brand reputation in the East China market through superior manufacturing quality and notable R&D capabilities. Products find extensive application in high-reliability scenarios such as power plant auxiliary systems and urban rail transit distribution. Certain product specifications are suitable for replacing installed equipment from imported brands.

One of the oldest high-voltage switchgear manufacturers in Gansu Province. Leveraging its geographic advantage within the energy-intensive heavy industry base of Northwest China, the company has long served the coal, metallurgy, and non-ferrous metals industries with vacuum circuit breakers. Products are noted for their high cost-effectiveness and resilience in harsh environments, and enjoy a certain reputation in Northwest China and Central Asian markets.

A professional manufacturer of medium and high voltage switchgear in Zhejiang Province, its products comply with IEC 62271-100 international standards. The company relies on a strict size control system to ensure that the products have excellent versatility and adaptability. All equipment is guaranteed for two years, and fast delivery is achieved by relying on flexible production lines. With stable product performance and timely after-sales response, the products are exported to Southeast Asia, the Middle East and other markets.

A well-known domestic electrical brand offering a complete range of low- and medium-voltage products. Medium-voltage vacuum circuit breakers are primarily targeted at small and medium-sized industrial enterprises and commercial real estate distribution markets. The company leverages its extensive nationwide channel network to achieve strong regional coverage, and maintains a competitive position in the price-sensitive domestic end-user market.