BOHAI SEA HAIYANGSHIYOU 677 AND BINHAI284 TOWING HAIYANGSHIYOU 921 FROM NB35-2CEPA (39-04.23N 118-54.97E) TO LK20-5-1 (38-20.05N 120-11.55E) FROM 210600UTC SEP TO 241600UTC SEP LENGTH OVERALL 550 METRES SPEED 4.5 KNOTS VIA 39-02.50N 118-58.00E / 38-40.00N 119-07.00E /38-27.00N 120-10.00E. KEEP WATCH ON VHF CHANNEL 67.WIDE BERTH REQUESTED.