73071900 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - CAST FITTINGS : OTHER, 73079210 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - OTHER : THREADED ELBOWS, BENDS AND SLEEVES : GALVANISED, and 39219090 under HS Code Others were the top imported HS Codes by DAEJIN SANUP VIETNAM MEMBER COMPANY LIMITED in 2021.