YELLOW SEARIZHAO PORT SEA TRIAL OF M/V“YAN GANG TUO 28” IN AREA BOUNED BY THE LINES JOINING 35-11.0N/119-59.0E,35-11.0N/120-05.0E, 35-09.0N/120-05.00E AND 35-09.0N/119-59.0E.FROM 0100 UTC TO 0800 UTC DAILY FROM 21TO 23 OCT. CAUTION ADVISED