CDT is mainly specialized in such business as management of the state-owned assets invested by the state and owned by CDT; development, investment, construction, operation and management of power energy; organization of power (thermal) production and sales; electric power equipment manufacture, maintenance and commissioning; power technology development and consultation; contracting and consulting of electric power engineering and environmental protection projects, renewable energy development, development and production of coal resources for power generation, conducting and acting as agent for import and export of commodities and technologies of various types, contracting of overseas projects and domestic projects through international bidding; exporting equipment and materials required by above-mentioned overseas projects, and sending labor force abroad required to carry out above-mentioned overseas projects.
China National Water Resources & Electric Power Materials & Equipment Co., Ltd. (hereinafter referred to as CWEME) is a subsidiary holding company of China Datang Corporation. As one of the largest tender service companies in China, it provides services such as tendering agency, purchasing consultation and cost control for various engineering in industries of power infrastructure, manufacture, etc. CWEME has Class A qualifications of engineering tendering agency approved by the Ministry of Construction, Class A qualifications of international tendering approved by the Ministry of Commerce, Class A qualifications of equipment tendering agency for technological transformation project, Class A qualifications of equipment tendering agency for construction project, qualifications of engineering consultation, etc. Its business scope covers conventional thermal power generating unit, 1000MW ultra supercritical unit, air cooling unit, circulating fluidized bed unit, seawater desalination project, gas-turbine project, generating unit of new resources such as wind power and straw, hydropower generating unit such as Francis type water turbine-generator unit, axial-flow water turbine-generator unit, tubular water turbine-generator unit and pumped storage power plant, development of CDM project, etc. From 2003 till now, CWEME has completed 154 power construction projects with 227 units and a total capacity of over 0.15 billion KW.
As a company specializing in feed water piping, main steam piping, reheating steam piping (hot) and reheating steam piping (cold) for a longest history in China, CWEME gradually becomes a leading one in the domain thanks to its decades of operation. The scope of its piping business covers supply & purchasing of materials (tubular products, pipe fittings, supports, hangers, etc.) used for power plants, shop processing & manufacture of pipelines, design & supply of high-temperature and high-pressure pipes, design, manufacture and technical consultation of supports and hangers for the above-mentioned four main pipes, design & supply of HP and LP bypass systems, supply of high pressure valves for high-pressure piping system, quality certification & life appraisal of high-temperature and high-pressure pipes, erection & commissioning in the field, trial & test, technical consultation & service for four main pipes, etc.
China Datang Technologies & Engineering Co., Ltd. is a subsidiary of China Datang Corporation, specializing in technologies and engineering. Currently, it owns a design center involving in a variety of specialties and Nanjing Thermoelectricity Engineering Design Institute with Class A engineering design qualification. Its service scope covers design for thermal power plants of various types and capacities (coal-fired power plant, gas-steam combined cycle power plant, gas-turbine power plant, straw stalks power plant, waste incineration power plant, waste heat power plant, etc.). The company has engaged in investigation and design of flue gas desulfurization engineering, flue gas denitration engineering, air cooling unit, wind power generation and power transmission & transformation for various voltage classes. In addition, the company can undertake planning and design of power system, communication engineering design for power system, design of municipal utilities, testing, evaluation and design of environmental engineering, design of fire control engineering, design and engineering services of various industrial and civil buildings, etc.
Construction of Power Plants
According to the demand of national power construction, China Datang Technologies & Engineering Co., Ltd. is expanding into the domain of general project contracting, based on general contracting of subsystems including stacker-reclaimer in coal-fired power plant, coal handling system of boiler island, wastewater treatment system, condensate system, ash handling system, dusting removal system, slag processing system and integrated control system. Specifically, the company can undertake design, contracting of complete sets of equipment and general contracting of projects for traditional power plant, co-generation power plant, gas-steam combined cycle power plant, waste heat power plant and biomass power plant.
Production, Transportation, Supply and Marketing of Coal
China Datang Coal Industry Co., Ltd., founded and registered in February, 2009, is a wholly- owned subsidiary of China Datang Corporation, primarily engaged in R&D, mining, sale, storage, processing and others of the coal industry, and responsible for collectivize and specialized management of coal (mine) projects of China Datang Corporation. At present, Shengli Eastern No.2 surface coal mine and Eji surface coal mine have been put into production, and the preliminary works for coal projects at a number of mines such as Kongduigou coal mine, Hongtai coal mine, Xiwangzhai coal mine, Cher Tara coal mine and Nantun—Xisuomu coal mine is in progress.
China Datang Overseas Investment Co., Ltd., founded and registered in August, 2007, is a wholly-owned subsidiary of China Datang Corporation. The company targets overseas markets and sticks to power-oriented and diversified development concept. It develops in terms of scale, benefits and influence by means of independent development, strategic cooperative development, share acquisition, capital market investment, etc. Its business scope covers investment, development, construction and operation management of overseas energy projects, international trade, general contract of engineering construction, manufacture of power equipment, overhaul and commissioning, development and consultation of power technologies, management of overseas assets, etc.