84312090 under HS Code PARTS SUITABLE FOR USE SOLELY OR PRINCIPALLY WITH THE MACHINERY OF HEADINGS 8425 TO 8430 - OF MACHINERY OF HEADING 8427 :OTHER, 40169390 under HS Code OTHER ARTICLES OF VULCANISED RUBBER OTHER THAN HARD RUBBER - OTHER : GASKETS, WASHERS AND OTHER SEALS : OTHER, and 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 were the top imported HS Codes by DUYEN HAI TRADING AND PRODUCTION COMPANY LIMITED in 2021.