GD0131 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI ER HAO” IN AREA WITHIN 1NM RADIUS OF 20-25-20.93N 113-18-36.36E FROM 30 JUN. TO 30 AUG. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
