84571000 under HS Code Others, 84594100 under HS Code Others, and 84601900 under HS Code MACHINE-TOOLS FOR DEBURRING, SHARPENING, GRINDING, HONING, LAPPING, POLISHING OR OTHERWISE FINISHING METAL, OR CERMETS BY MEANS OF GRINDING STONES, ABRASIVES OR POLISHING PRODUCTS, OTHER THAN GEAR CUTTING, GEAR GRINDING OR GEAR FINISHING MACHINES OF HEADING 8461 - FLAT-SURFACE GRINDING MACHINES, IN WHICH THE POSITIONING IN ANY ONE AXIS CAN BE SET UP TO AN ACCURACY OF AT LEAST 0.01 MM:OTHER were the top imported HS Codes by RA ENGINEERING in 2021.