731823000000 under HS Code SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL - NON-THREADED ARTICLES : RIVETS, 681381000000 under HS Code FRICTION MATERIAL AND ARTICLES THEREOF (FOR EXAMPLE, SHEETS, ROLLS, STRIPS, SEGMENTS, DISCS, WASHERS, PADS), NOT MOUNTED, FOR BRAKES, FOR CLUTCHES OR THE LIKE, WITH A BASIS OF ASBESTOS, OF OTHER MINERAL SUBSTANCES OR OF CELLULOSE, WHETHER OR NOT COMBINED WITH TEXTILE OR OTHER MATERIALS OTHER: -- NOT CONTAINING ASBESTOS -- BRAKE LINING AND PADS, and 820890000000 under HS Code Others were the top imported HS Codes by BABA AUTO ENGINEERING LIMITED in 2021.