semi-submersible transport ship “Zhenhua 28” reconstructed by ZPMC is successfully undocked and have been put into use. The ship is 232m length, 42m width, 13.5m depth, 152m deck length, 20t/m2 deck carrying capacity and shipping deck can dive to 7m. The success is future enhance our strength of marine transportation of off-shore products. We will also finish other two semi-submersible transport ships alteration within this year.