Showing all published months. Partner preview tables include up to 5 countries.
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USD value by month, all available partner countries combined
Free partner preview shows up to 5 countries.
Total value across the selected data period
| Partner | Value | Share |
|---|---|---|
| India | $220M | 15.1% |
| Vietnam | $152.7M | 10.5% |
| Brazil | $144.7M | 10.0% |
| United States | $111.4M | 7.7% |
| Indonesia | $50.5M | 3.5% |
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| Partner | Value | Share |
|---|---|---|
| Indonesia | $1.4M | 12.3% |
| United States | $1.1M | 9.8% |
| Türkiye | $879.2K | 7.7% |
| India | $821.1K | 7.2% |
| Bangladesh | $762.1K | 6.7% |
| Year | Export value |
|---|---|
| 2021 | $250.6M |
| 2022 | $257.1M |
| 2023 | $260.1M |
| 2024 | $293.7M |
| 2025 | $252.7M |
| 2026 | $139.8M |
China customs reports HS 680421 at the 8-digit level. 2 subheadings are published under it, and export values for each are available on request.
Rotating abrasive discs composed of agglomerated synthetic or natural diamond, designed for grinding, sharpening, or cutting operations without a supporting framework.
Non-disc abrasive shapes like millstones and grindstones made of agglomerated synthetic or natural diamond, used for trueing, polishing, or similar material-removal tasks.
Public data shows up to 5 partner countries. Buy monthly partner trade values in CSV; choose HS8 for native quantity and unit fields where published.
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HS 680421 is also written 6804.21. Values are in USD; the public series does not report tonnes or kg. Product scope: Unmounted abrasive tools composed of agglomerated synthetic or natural diamond, such as grinding wheels and millstones, utilized for cutting, sharpening, and polishing. The public page shows monthly export partner previews from official GACC customs statistics. Preview and buy a monthly CSV for your selected products, countries and years.
Source: China General Administration of Customs (GACC), cleaned and structured by China Data Portal.
Transformations: Values are presented as published by the source.
China Data Portal. "China Millstones (HS 680421) Export Data." https://chinadata.live/china-trade/hs/680421/
China exported $224M of millstones in the twelve months to August 2026, averaging $18.6M per month, based on official China customs statistics (HS 680421).
Unmounted abrasive tools composed of agglomerated synthetic or natural diamond, such as grinding wheels and millstones, utilized for cutting, sharpening, and polishing.
India, Vietnam and Brazil together account for 36% of the published total, out of 159 trading partners on record.
Annual exports stayed roughly flat between 2021 and 2025, from $251M to $253M.
Figures come from official China General Administration of Customs (GACC) statistics, published monthly. ChinaData cleans partner names, periods and values so the series is ready for analysis. Partner-level rows for every month, including HS8 detail, are available as a one-time CSV purchase. Choose your products and coverage, then preview the file and price before payment.