73269099 under HS Code OTHER ARTICLES OF IRON OR STEEL - OTHER : OTHER : OTHER, 73182400 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 : COTTERS AND COTTER-PINS, and 84834090 under HS Code Others. were the top exported HS Codes by M SEI PROCESSING AND SERVICES JOINT STOCK COMPANY in 2021.