BOHAI SEA ， TUG “HAI YANG SHI YOU 648、HAI YANG SHI YOU 646” TOWING “ZHONG YOU HAI 12” PLATFORM FROM KL10-2-3（37°44′21.743〞N/119°31′51.277〞E）TO QHD33-7-1D （39°03′45.515〞N/119°26′40.860〞E）FROM 100500 UTC JAN.TO 141500 UTC JAN. SPEED 4 KNOTS.LENGTH OF TOWING 534 METERS. CAUTION REQUESTED.