Korea Daewoo joint-stock corporation was established in 1937，Its products have been represent Korea machinery industry development level，in the diesel engine，excavator，vehicles，automatic machine tools，robot field created accepted achievement；In diesel engine，It produced marine engine with Australia cooperation in 1958；It launched heavy-duty series diesel engine with German MAN company in 1975；It established European Daewoo plant in 1990；Yantai company of daewoo heavy industries was founded in 1994；America.Daewoo diesel engine are widly used in national defense，aviation,the vehicles，the ships，the engineering machinery，generators，with its small volume，light weight，resistance of laod capacity，low noise，and the other the characteristics recognized by the world.