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 |
|---|---|---|
| Japan | $54.6M | 26.9% |
| United States | $25.6M | 12.6% |
| South Korea | $23.8M | 11.7% |
| India | $16.9M | 8.3% |
| Germany | $12.9M | 6.3% |
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| Partner | Value | Share |
|---|---|---|
| Japan | $761.6K | 25.3% |
| United States | $447.9K | 14.9% |
| Germany | $372.1K | 12.4% |
| South Korea | $267.7K | 8.9% |
| India | $261.4K | 8.7% |
| Year | Export value |
|---|---|
| 2021 | $33.2M |
| 2022 | $43.7M |
| 2023 | $31.4M |
| 2024 | $27.2M |
| 2025 | $40.1M |
| 2026 | $27.3M |
China customs reports HS 700231 at the 8-digit level. 2 subheadings are published under it, and export values for each are available on request.
Waveguide-level fused quartz tubes intended for optical fibre applications demand exceptionally high purity and precise dimensional tolerances.
Unworked tubes of fused quartz or other fused silica not meeting waveguide-level specifications include general-purpose industrial and laboratory varieties.
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 700231 is also written 7002.31. Values are in USD; the public series does not report tonnes or kg. Product scope: Tubes of fused quartz or other fused silica, unworked. 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 Tubes of fused quartz (HS 700231) Export Data." https://chinadata.live/china-trade/hs/700231/
China exported $41.5M of tubes of fused quartz in the twelve months to August 2026, averaging $3.5M per month, based on official China customs statistics (HS 700231).
Tubes of fused quartz or other fused silica, unworked.
Japan, United States and South Korea together account for 51% of the published total, out of 60 trading partners on record.
Annual exports grew by 21% between 2021 and 2025, from $33.2M to $40.1M.
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.