BOHAI SEA ，TUG “SHENG LI 291” TOWING “SHENG LI ZUO YE XIN 1 HAO ” PLATFORM FROM ：CB271A（38°14′32.93″N， 118°51′01.75″E ）TO CB302（38°11′18.24″N，118°55′21.67″E ） FROM 060200 UTC Jan. TO 151600 UTC Jan. SPEED 3 KNOTS.LENGTH OF TOWING 500 METERS. CAUTION REQUESTED.