82079090 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 - OTHER INTERCHANGEABLE TOOLS : OTHER, 74122090 under HS Code COPPER TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES) - OF COPPER ALLOYS : FITTINGS OF BRONZE OR OTHER ALLOYS OF COPPER, and 74093900 under HS Code COPPER PLATES, SHEETS AND STRIP, OF A THICKNESS EXCEEDING 0.15 MM - OF COPPER-TIN BASE ALLOYS (BRONZE) : OTHER. were the top exported HS Codes by MECHANICAL & ENGINEERING PART CO in 2021.