40169390 under HS Code OTHER ARTICLES OF VULCANISED RUBBER OTHER THAN HARD RUBBER - OTHER : GASKETS, WASHERS AND OTHER SEALS : OTHER, 73269099 under HS Code OTHER ARTICLES OF IRON OR STEEL - OTHER : OTHER : OTHER, and 39174000 under HS Code TUBES, PIPES AND HOSES, AND FITTINGS THEREFOR (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES), OF PLASTICS - FITTINGS were the top imported HS Codes by ZINC OXIDE CORPORATION VIETNAM CO LTD in 2021.