GD0242 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “SINOOCEAN AUSPICIOUS” IN AREA WITHIN 1N MILE RADIUS OF 21-21-18.49N 115-30-31.75E FROM NOVEMBER 18, 2020 TO JANUARY 18，2021 SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA