84139190000 under HS Code PUMPS FOR LIQUIDS, WHETHER OR NOT FITTED WITH A MEASURING DEVICE; LIQUID ELEVATORS - PARTS: 8413 91 - OF PUMPS: OTHER, 84136090000 under HS Code PUMPS FOR LIQUIDS, WHETHER OR NOT FITTED WITH A MEASURING DEVICE; LIQUID ELEVATORS - OTHER ROTARY POSITIVE DISPLACEMENT PUMPS: OTHER, and 84842000000 under HS Code GASKETS AND SIMILAR JOINTS OF METAL SHEETING COMBINED WITH OTHER MATERIAL OR OF TWO OR MORE LAYERS OF METAL; SETS OR ASSORTMENTS OF GASKETS AND SIMILAR JOINTS, DISSIMILAR IN COMPOSITION, PUT UP IN POUCHES, ENVELOPES OR SIMILAR PACKINGS; MECHANICAL SEALS - MECHANICAL SEALS were the top imported HS Codes by AMZEN INDUSTRIES INC in 2023.