Guodian Longyuan Electric Power Technology Engineering Co., Ltd. was established in 1994 with a registered capital of 244.727 million yuan. It is a high-tech enterprise jointly invested by Longyuan Electric Power Group, a subsidiary of the former Ministry of Electric Power Industry, and nearly 30 electric power research institutes (institutes) across the country. In 2001, it was put under the management of Guodian Power Development Co., Ltd. In November 2004, with the establishment of Guodian Technology and Environmental Protection Group, it entered Guodian Technology and Environment, a wholly-owned subsidiary of Guodian Technology and Environment. The company has two subsidiaries, Guodian Longyuan Energy Saving Technology Co., Ltd. and Beijing Longwei Power Generation Technology Co., Ltd.

The company's business covers general contracting of power stations, energy contract management, bidding agency, import and export of complete sets of equipment and technical consulting services, as well as transformation of steam turbine flow passage and energy-saving technical services of power plants, and constantly integrates advanced energy-saving technologies of Guodian Technology and Environment. It is Guodian Group's general contracting of power stations and new energy projects, energy-saving technical transformation Specialized platform for energy-saving diagnosis service.