76169990 under HS Code OTHER ARTICLES OF ALUMINIUM - OTHER : OTHER : OTHER, 73269099 under HS Code OTHER ARTICLES OF IRON OR STEEL - OTHER : OTHER : OTHER, and 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. were the top exported HS Codes by THANG LONG CNCTECH JOINT STOCK COMPANY in 2023.