74121000 under HS Code COPPER TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES) OF REFINED COPPER, 74111000 under HS Code COPPER TUBES AND PIPES - OF REFINED COPPER, and 73071190 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - CAST FITTINGS : OF NON-MALLEABLE CAST IRON : OTHER were the top imported HS Codes by D&G Saigon Services And Trading Company Limited in 2021.