BOHAI SEA ，TUG “HAIYANGSHIYOU677” TOWING “HAIYANGSHIYOU937” PLATFORM FROM BZ34-1CEPA(38°08′26.86″N ; 119°31′39.685″E） TO SZ36-1WHPE (39°56′44.186″N ; 120°49′35.419″E）。 FROM 091600 UTC JUL .TO 171600 UTC JUL.SPEED 4 KNOTS.LENGTH OF TOWING 515METERS. CAUTION REQUESTED.