With the development of more than 60 years, DEC has become a comprehensive group specialized in manufacturing of power equipment, R&D of cutting-edge technology, contracting international engineering projects, exporting complete plants and equipment, and conducting international economic and technical cooperation. Due to its distinguished capacity and contribution, DEC represents the top class technological and manufacturing level for China’s heavy machinery and equipment industry. As the national strategic base for heavy-duty machinery and equipment, DEC has possessed comprehensive technical R&D abilities and is honored by the Central Government as a National Research & Development Center. With its endeavor and hardworking, DEC not only has achieved the annual production of power generating equipment for more than 40,000MW consisting of hydro, thermal, nuclear, wind, solar and combine-cycle generating unit, enjoying one-third domestic market share in thermal power and two-fifths in hydro power, but also has been diversifying its manufacturing industries to various fields such as desulphurization and denitrification, hydrogen fuel cells, high-voltage large power frequency converter, industrial control devices, desalination equipment and so on.