GD0241 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI ER HAO” IN AREA WITHIN 1N MILE RADIUS OF 20-34-45.58N 113-19-31.60E FROM NOVEMBER 18, 2020 TO JANUARY 18，2021 SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA