GD149/21 SOUTH CHINA SEA DRILLING OPERATION BY DRILLING PLATFORM “NAN HAI QI HAO” IN AREA WITHIN 1NM RADIUS OF 19-41-30N 112-40-51E FROM 11 JUL. TO 11 SEP. SIGNAL LIGHTS AND SHAPES WILL BE EXHIBITED WIDE BERTH REQUESTED GUANGDONG MSA CHINA
