Erzhong (Deyang) Heavy Equipment Co., Ltd (EHEC) belongs to Sinomach-HE, is a major national technology and equipment manufacturing base, playing a strategic and fundamental role in the construction of the national economy. EHEC is one of the few enterprises in the world's major technical equipment field with extreme manufacturing capabilities, with outstanding advantages in flexible manufacturing, covering the entire heavy equipment industry chain.After more than 60 years of construction and development, EHEC has become a backbone supplier of third-generation nuclear power machine castings, forgings, and key components represented by CAP1400 and ACP1000. It is the only top supplier in China with the ability to provide a complete set of castings and forgings for million kilowatt hydropower units and mass produce key sets of castings and forgings for million kilowatt ultra supercritical thermal power units.