二重装备隶属于国机重型装备集团股份有限公司，是国家重大技术装备制造基地。60余年来，二重装备先后为国内外市场提供了近三百万吨的重大技术装备，备具备提供900吨钢水、700吨钢锭、500吨铸件、400吨锻件的能力，是世界重大技术装备领域少数具备极限制造能力的企业。二重装备主业涵盖大型成台（套）装备和大型铸锻件、核电及重型压力容器、大型传动件装备制造，可为冶金、矿山、能源、交通、汽车、石油化工、航空航天等重要行业提供系统的装备制造与服务。

Erzhong (Deyang) Heavy Equipment Co., LTD. (abbreviated to EHEC), one of the Subsidiary of Sinomach Heavy Equipment Group Co., LTD. ,is a major national advanced state of art equipment manufacturing base. In the past 60 years, EHEC has provided nearly 3 million tons of major advanced state of art equipment to domestic and abroad, EHEC, which has the ability to provide 900 tons of molten steel, 700 tons of ingots, 500 tons of castings and 400 tons of forgings, is one of the few enterprises with extreme manufacturing capacity in major technical and equipment fields all over the world. The main business of EHEC covers the manufacturing of large-scale complete sets of equipment, large-scale casting &forging, nuclear power and heavy petroleum pressure vessels and large-scale driving parts, which can provide systematic equipment manufacturing and services for metallurgy, mining, energy, transportation, automobile, petrochemical, aerospace and other significant industries.