85389000 under HS Code PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE APPARATUS OF HEADINGS 8535, 8536 OR 8537 OTHER, 74122090 under HS Code COPPER TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES) - OF COPPER ALLOYS : FITTINGS OF BRONZE OR OTHER ALLOYS OF COPPER, and 74122012 under HS Code COPPER TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES) - OF COPPER ALLOYS : BRASS : HOSE CONNECTORS. were the top exported HS Codes by INDIGO METALCRAFT in 2023.