Changjiang Institute of Survey, Planning, Design and Research (CISPDR), affiliated to the Changjiang (Yangtze River) Water Resources Commission, Ministry of Water Resources, is a state-owned technology-based firm, rendering its services covering survey, planning, design, scientific research, consultancy, construction supervision and EPC. Ranked among the TOP 100 survey & design institutions. CISPDR is a state high-tech firm, with high class qualifications, such as Integrated Class-A Qualification of Engineering Design and Integrated Class-A Qualification of Engineering Survey, as well as qualification for contracting aboard.

Over sixty years, CISPDR has prepared master plans for large rivers and lakes, and has performed survey and design for hundreds of projects in 45 countries and regions, represented by the Master Plan of the Yangtze River Basin, , Three Gorges Project and the Middle Route of South-to-North Water Transfer Project,. Our service has further extended to EPC, construction supervision, water information, engineering rehabilitation, power transmission & distribution, energy, cities & transportation, architecture, environment, etc.

CISPDR was conferred the national excellent water resources enterprise and AAA+ credit class.

China Huadian Corporation LTD. (hereinafter abbreviated  to as "China Huadian") is a wholly state-owned power generation enterprise established by the state power system reform at the end of 2002. It is a super-large central enterprise supervised by the State-owned Assets Supervision and Administration Commission of the State Council.  Development of coal and other primary energy sources related to electricity and related professional and technical services.  In recent years, the company has deeply implemented the decisions and arrangements of the CPC Central Committee and The State Council and the national energy strategy, accelerated structural adjustment, focused on improving quality and efficiency, deepened reform and innovation, and strengthened party building. Its comprehensive strength has been continuously enhanced, and its industry status has been significantly improved. In 2019, the company ranked 386th in the world's top 500.  

Fuzhou One Sun Power Consulting Co., LTD., founded in 2006, is a subsidiary of Jiangsu Hengtong Optoelectronics Co., LTD. (stock code: 600487), which is committed to the planning, design, investment and construction of energy projects and other whole-process services.  It has been identified as the national high-tech enterprise, the leading enterprise of Fujian Provincial Science and Technology Little Giant, and the advantageous enterprise of Fujian Provincial intellectual property rights.  

The company has the professional qualifications of Class A in the electric power industry (power transmission engineering and power transformation engineering), Class B in the electric power industry (new energy power generation and wind power generation), Class B in the engineering investigation (engineering survey and geotechnical engineering), and Class C in the construction industry (construction engineering).  The main business includes: power grid system planning, power engineering design (transmission and transformation design, distribution network design), new energy business development (charging pile, photovoltaic, hydropower, wind power), power user project general contracting, etc.