SH0023 CHANG JIANG KOU SUBMARINE CABLE REPAIRING WORK IN AREA BOUNDED BY THE LINES JOINING 31-48.8157N 122-55.4870E，31-48.7981N 124-01.3588E，31-46.6738N 124-01.3759E AND 31-46.6913N 122-55.4896E，FROM 31 1600UTC MAY TO 30 1600UTC AUG，WIDE BERTH ADVISED.
SHANGHAI MSA，CHINA