Core fields: date, importers, hs code, product description, quantity, net weight, gross weight, FOB, CIF, country of origin
Main fields: date of arrival, importers, hs code, product description, CIF, arrived in Hong Kong, country of origin, gross weight, net weight, FOB price, quantity, freight, insurance premium, number of packages, the mode of transportation, customs declaration number, quantity, unit, customs clearance center