- Business
- Xi'an High Voltage Apparatus Research Institute Co., Ltd. operates as an independent third-party provider of electrical equipment inspection, testing, metrological calibration, product certification, and technical consulting services in the People's Republic of China and internationally. The company provides a comprehensive suite of professional technical services, including type testing, routine testing, special performance verification, and research-grade testing across low-voltage, medium-voltage, high-voltage, extra-high-voltage, and ultra-high-voltage power transmission and distribution apparatus; inspection and testing of gas-insulated switchgear, high-voltage alternating current and direct current circuit breakers, disconnectors, and earthing switches; electrical performance, loss measurement, and dielectric testing of power transformers, converter transformers, instrument transformers, and reactors; testing and appraisal of metal-oxide surge arresters, composite insulators, power capacitors, high-voltage bushings, and high-voltage direct current converter valves; environmental adaptability, artificial climate simulation, seismic resistance, electromagnetic compatibility, and large-capacity short-circuit withstand testing; metrology calibration, carbon asset verification, and green manufacturing evaluation services; and technical standardization, engineering consulting, and equipment failure analysis services. The company serves power grid utilities, renewable energy developers, electrical equipment manufacturers, rail transportation operators, and industrial enterprises. Operating as a subsidiary of China XD Group Co., Ltd. under the state-owned China Electrical Equipment Group Co., Ltd., the company manages core subsidiaries including Shenyang Transformer Research Institute Co., Ltd., Henan High Voltage Apparatus Research Institute Co., Ltd., Xi'an High Voltage Apparatus Research Institute Changzhou Co., Ltd., and Qingdao Marine Electrical Equipment Testing Co., Ltd. In recent developments, the company listed its Class A shares on the Science and Technology Innovation Board of the Shanghai Stock Exchange. In 2024, the company acquired a 55 percent controlling equity interest in Henan High Voltage Apparatus Research Institute Co., Ltd. from Pinggao Group Co., Ltd. for 453 million yuan to resolve horizontal competition and integrate high-voltage testing capabilities across the parent group. Additionally, the company has expanded its testing footprint into emerging sectors by establishing specialized facilities and subsidiaries for grid-scale battery safety and energy storage power conversion systems, offshore marine electrical equipment, and low-altitude economy applications, while expanding international strategic alliances and laboratory data recognition frameworks with global peers and equipment manufacturers such as Hitachi Energy, Schneider Electric, KEMA Labs, and the Korea Electrotechnology Research Institute. Xi'an High Voltage Apparatus Research Institute Co., Ltd. was founded in 1958 and is headquartered in Xi'an, China.