Huaming Power Equipment Co.,Ltd, together with its subsidiaries, engages in the research, development, production, and sale of on-load tap changers in China and internationally. It offers embedded vacuum, embedded oil-cooled arc-extinguishing, gas-insulated, external, and dry-type on-load tap changers, as well as on-load tap changer oil filter, non-excitation tap changer, electric mechanism, and controller. The company also provides steel structure, iron tower, sheet metal, and automotive industry processing equipment, as well as environmental protection boiler flue gas deep purification equipment. In addition, it engages in electrical equipment production; power engineering construction; power equipment maintenance; power distribution and sales project development and operation management; photovoltaic power generation; technical service; business management; and power project investment. The company was founded in 1989 is headquartered in Shanghai, China.