GD0254 SOUTH CHINA SEA REPLACE PRODUCTION PIPELINE WORK BY DRILLING PLATFORM “NAN HAI QI HAO” IN AREA WITHIN 1N MILE RADIUS OF 19-44-36.06N 112-35-40.95E FROM DECEMBER 13, 2020 TO JANUARY 23，2021 SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA