40169999 under HS Code Others, 39174000 under HS Code TUBES, PIPES AND HOSES, AND FITTINGS THEREFOR (FOR EXAMPLE, JOINTS, ELBOWS, FLANGES), OF PLASTICS - FITTINGS, and 74122099 under HS Code Others were the top imported HS Codes by BRANCH OF SMC CORPORATION CO LTD VIETNAM IN BAC NINH in 2021.