84879000 under HS Code MACHINERY PARTS, NOT CONTAINING ELECTRICAL CONNECTORS,INSULATORS,COILS, CONTACTS OR OTHER ELECTRICAL FEATURES NOT SPECIFIED OR INCLUDED ELSEWHERE IN THIS CHAPTER;- OTHER and 84833000 under HS Code TRANSMISSION SHAFTS (INCLUDING CAM SHAFTS AND CRANK SHAFTS) AND CRANKS; BEARING HOUSINGS AND PLAIN SHAFT BEARINGS; GEARS AND GEARING; BALL OR ROLLER SCREWS; GEAR BOXES AND OTHER SPEED CHANGERS, INCLUDING TORQUE CONVERTERS; FLYWHEELS AND PULLEYS, INCLUDING PULLEY BLOCKS; CLUTCHES AND SHAFT COUPLINGS (INCLUDING UNIVERSAL JOINTS) -BEARING HOUSINGS, NOT INCORPORATING BALL OR ROLLER BEARINGS; PLAIN SHAFT BEARINGS were the top exported HS Codes by GENERAL METALS & POLYMERS in 2024.