On the morning of July 17，Press conference held by the Information Office of Shandong Provincial People's Government，Introduce the scientific and technological innovation of state-owned enterprises in Shandong province，Publish the first batch of provincial enterprises“Ten scientific and technological innovation achievements”。Shandong Heavy Industry Group“World's first body thermal efficiency 53.09%Development and Application of Commercial Diesel Engine”Top of the list。Shandong Heavy Industry Group continues to break through the thermal efficiency limit of diesel engine，Four great leaps of diesel engine thermal efficiency have been achieved in four years.，It marks that China's internal combustion engine industry has reached the peak of global science and technology.。