73181510 under HS Code Others, 73182200 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 : OTHER WASHERS, and 73181610 under HS Code Others were the top imported HS Codes by Nam An Electrical Equipment Co Ltd in 2021.