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 achieved the annual production of power generating equipment for more than 37,000MW consisting of hydro, thermal, nuclear, wind, combine-cycle generating unit, presently enjoys 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, heavy-duty machinery, power transmission, Hi-voltage large power frequency converter, solar grade silicon, industrial control devices, chemical and maritime equipment and so on.

Being an active international Contractor, DEC takes the lead in China particularly in contracting international power stations and a wide variety of large engineering projects, and exports complete plants and equipment to over 60 countries involving projects in such diverse fields as power generation, electric and mechanical works, power distribution and transmission, railways, environmental protection, heavy duty mining and metallurgy equipment, traffic and transportation, communication etc., from which DEC has gained recognition worldwide and been selected as one of The Top 250 International Contractors in the world for many years by the well-reputed Engineering News Record of USA since 1994.