HS 390931 · All partner countries
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USD value by month, all available partner countries combined
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Total value across the selected data period
| Partner | Value | Share |
|---|---|---|
| United States | $1.8B | 17.2% |
| Netherlands | $1.1B | 10.1% |
| Russia | $1B | 9.6% |
| Türkiye | $667.7M | 6.3% |
| South Korea | $667.2M | 6.3% |
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| Partner | Value | Share |
|---|---|---|
| Canada | $15.6M | 11.8% |
| Russia | $15.6M | 11.8% |
| Belgium | $12.4M | 9.4% |
| UAE | $9.3M | 7.0% |
| United States | $8.9M | 6.7% |
| Year | Export value |
|---|---|
| 2021 | $2.1B |
| 2022 | $2.1B |
| 2023 | $1.7B |
| 2024 | $2B |
| 2025 | $1.3B |
| 2026 | $1.3B |
China customs reports HS 390931 at the 8-digit level. 1 subheading is published under it, and export values for each are available on request.
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 390931 is also written 3909.31. Values are in USD; the public series does not report tonnes or kg. Product scope: Crude and polymeric methylene diphenyl diisocyanate in unprocessed primary forms, serving as essential raw chemical intermediates for producing rigid polyurethane foams and industrial insulation materials. 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 Poly (HS 390931) Export Data." https://chinadata.live/china-trade/hs/390931/
China exported $1.7B of poly in the twelve months to August 2026, averaging $141M per month, based on official China customs statistics (HS 390931).
Crude and polymeric methylene diphenyl diisocyanate in unprocessed primary forms, serving as essential raw chemical intermediates for producing rigid polyurethane foams and industrial insulation materials.
United States, Netherlands and Russia together account for 37% of the published total, out of 93 trading partners on record.
Annual exports declined by 36% between 2021 and 2025, from $2.1B to $1.3B.
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.