6、4MaritimetransportandtowageservicesbetweentheportsofthePeople'sRepublicofChinashallbeundertakenbyshipsflyingthenationalflagofthePeople'sRepublicofChina,exceptasotherwiseprovidedforbylawsoradministrativerulesandregulations. 非经国务院交通主管部门批准,外国籍船舶不得经营中华人民共和国港口之间的海上运输和拖航。 No