BOHAI SEA ，TUG “SHENG LI 291、SHENG LI 242” TOWING “SHENG LI ZUO YE WU HAO” PLATFORM FROM CB307（38°10′31.98″ N，118°57′48.49″E）TO TIANJIN XINGANG SHIPYARD (38°59′23.06″N 117°43′22.08″E）, FROM 040900 UTC AUG.TO 121600 UTC AUG. SPEED 3 KNOTS.LENGTH OF TOWING 300 METERS. CAUTION REQUESTED.