As the national one of 156 key projects during the period of "five" Harbin dongan engine (group) co., LTD., China aviation industry group co., LTD., founded in 1948, is by produces the air light, air power and its derivatives, helicopter transmission system transmission parts and other mechanical processing products, industrial gas turbine generator, aviation and mechanical and electrical products, aluminum magnesium alloy casting and mold products of high-tech enterprise group.