Hui Hui Lang

China XD Group manufactures and distributes power transmission equipment. Its products include transformers, reactors, high, medium, and low voltage switches, capacitors, lightning arresters, converter valves, power electronic products, wires and cables, and power automation integration. The company was founded in July, 1959 and is headquartered in Xi''an, China.

Xi'an High Voltage Apparatus Research Institute Co., Ltd. engages in the provision of inspection and testing, measurement, certification, and technical consulting services in the electrical field. It offers testing services, high voltage switchgear testing services, other electrical equipment testing services, metering services, certification services, and technical research and technical consulting services. The company was founded in 1958 and is headquartered in Xi'an, China.