84314300 under HS Code Others, 82071900 under HS Code INTERCHANGEABLE TOOLS FOR HAND TOOLS, WHETHER OR NOT POWER- OPERATED, OR FOR MACHINE- TOOLS (FOR EXAMPLE, FOR PRESSING, STAMPING, PUNCHING, TAPPING, THREADING, DRILLING, BORING, BROACHING, MILLING, TURNING OR SCREW DRIVING), INCLUDING DIES FOR DRAWING OR EXTRUDING METAL, AND ROCK DRILLING OR EARTH BORING TOOLS- ROCK DRILLING OR EARTH BORING TOOLS : OTHER, INCLUDING PARTS, and 73269099 under HS Code OTHER ARTICLES OF IRON OR STEEL - OTHER : OTHER : OTHER were the top imported HS Codes by TRUNG TU TUON PROTECTION CO LTD in 2021.