GD129/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI WU HAO” IN AREA WITHIN 1NM RADIUS OF 19-40-33.08N 113-45-41.44E FROM 20 JUN. TO 20 AUG. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
