From April 2025 to September 2026, China exported goods under HS code 731821 (Spring and lock washers, iron or steel) to the countries in our coverage: 16,574 shipments by 2,055 companies. Main buyer countries in our coverage (share of exports): Mexico 37.2%, Vietnam 28.5%, Kazakhstan 20.7%. Imports from the countries in our coverage are small: 85 shipments. These figures cover only trade with the 14 countries in our coverage, not all of the country's foreign trade.
Official description: Spring washers and other lock washers, of iron or steel Heading 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers and similar articles, of iron or steel
Imports from the countries in our coverage are small: 85 shipments
Mexico receives the most shipments · Share
Mexico
37.2%
Vietnam
28.5%
Kazakhstan
20.7%
Uzbekistan
5.6%
Philippines
3%
Lists of companies that buy and supply this product.
Other codes in heading 7318
