BOHAI , NORTH SEA AREA OF LAIZHOU, NORTH OF THE ROUTE FROM CHANGSHAN CHANEL TO WEIFANG PORT AND GUANGLI PORT .MARINE CULTIVATION IN AREA BOUNDED BY 37-44.7N 119-50.1E，37-54.1N 119-47.2E，37-54.5N 119-43.0E，37-45.3N 119-37.1E，37-38.5N 119-37.2E，37-38.5N 119-42.2E，37-40.3N 119-46.0E
SHIPS MUST STRENGTHEN LOOKING AND AVOID WITH CAUTION.
SHANDONG MSA CHINA.