Xi'an High Voltage Apparatus Research Institute Co., Ltd., together with its subsidiaries, provides electrical inspection and testing services in China, Hong Kong, Macao, Taiwan, and internationally. The company offers professional technical services; type, performance, routine, and certificate tests; arbitration inspection; quality appraisement; and metrological verification of electrical equipment. It also provides product certification, greenhouse gas verification, green manufacturing evaluation, and electric power equipment inspection services; and technical research and consulting services for electrical equipment testing technology, key technologies of power transmission and transformation equipment, common basic technology, new field testing technology, laboratory construction, electrical equipment fault analysis, specialized technical training in the field of power transmission and transformation, and technical and industry analysis. The company's services are used for transformers, reactors, instrument transformers, pre-installed substations, insulators, surge arresters, fuses, converter valves, power capacitors, reactive power compensation devices, low voltage apparatus, and electric vehicle charging equipment. Xi'an High Voltage Apparatus Research Institute Co., Ltd. was founded in 1958 and is headquartered in Xi'an, China.