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Monthly · USD · Source: GACC · Data through 2026-09
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Advanced selectionHS 390311 · All partner countries
| Year | Export value |
|---|---|
| 2026 Jan–Sep | $509.1M |
| 2025 · Full year | $501.3M |
| 2024 · Full year | $421.7M |
| 2023 · Full year | $432.3M |
| 2022 · Full year | $431.7M |
| Year | Export value |
|---|---|
| 2021 · Full year | $221M |
Jan–Sep 2026 vs Jan–Sep 2025 · USD
September 2026 · USD
| Partner | Value | Share |
|---|---|---|
| Vietnam | $8.2M | 13.7% |
| South Korea | $5M | 8.4% |
| Mexico | $3.8M | 6.4% |
| Thailand | $3.2M | 5.3% |
| Saudi Arabia | $2.7M | 4.5% |
2021-01 to 2026-09 · USD
| Partner | Value | Share |
|---|---|---|
| Vietnam | $316.6M | 12.6% |
| South Korea | $213.5M | 8.5% |
| Mexico | $66M | 2.6% |
| Thailand | $167.7M | 6.7% |
| Saudi Arabia | $134.1M | 5.3% |
China customs reports HS 390311 at the 8-digit level. 1 subheading is published under it. Select an HS8 subcode to check supported export coverage, samples and your one-time price, then buy online. For unsupported scopes or custom research, ask for optional custom help.
HS 390311 · China exports
| month | value_usd | hs_code | year | flow | partner_code | country_name |
|---|---|---|---|---|---|---|
| 2021-12 | 1,724,264 | 390311 | 2021 | export | 136 | Thailand |
| 2021-11 | 856,131 | 390311 | 2021 | export | 136 | Thailand |
| 2021-10 | 825,090 | 390311 | 2021 | export | 136 | Thailand |
| 2021-09 | 962,729 | 390311 | 2021 | export | 136 | Thailand |
| 2021-08 | 945,543 | 390311 | 2021 | export | 136 | Thailand |
| month | value_usd | hs_code | year | flow | partner_code | country_name |
|---|---|---|---|---|---|---|
| 2021-12 | 1,724,264 | 390311 | 2021 | export | 136 | Thailand |
| 2021-11 | 856,131 | 390311 | 2021 | export | 136 | Thailand |
| 2021-10 | 825,090 | 390311 | 2021 | export | 136 | Thailand |
| 2021-09 | 962,729 | 390311 | 2021 | export | 136 | Thailand |
| 2021-08 | 945,543 | 390311 | 2021 | export | 136 | Thailand |
| 2021-07 | 115,300 | 390311 | 2021 | export | 136 | Thailand |
| 2021-06 | 145,171 | 390311 | 2021 | export | 136 | Thailand |
| 2021-05 | 654,330 | 390311 | 2021 | export | 136 | Thailand |
| 2021-04 | 904,213 | 390311 | 2021 | export | 136 | Thailand |
| 2021-03 | 667,815 | 390311 | 2021 | export | 136 | Thailand |
| 2021-01 | 533,448 | 390311 | 2021 | export | 136 | Thailand |
China exported $509.1M of expansible polystyrene (HS 390311) during January–September 2026. In September 2026 alone, China exported $59.6M of expansible polystyrene, up 25.8% from September 2025. Unprocessed polystyrene granules, pellets, or powders that expand when heated, serving as the base material for manufacturing foam insulation, protective packaging, and disposable containers. The page covers January 2021 to September 2026. Values are in US dollars, from the China General Administration of Customs (GACC).
In September 2026, Vietnam, South Korea, Mexico were among the leading destinations shown, together accounting for 28.5% of that month's trade value. These are monthly figures, not a full-year ranking.
China's expansible polystyrene exports were up 34.2% from January–September 2025, reaching $509.1M during January–September 2026.
Preview and buy a monthly expansible polystyrene export CSV for your selected products, countries and years, including available HS8 detail. The file preview and price are shown before payment.
Source: China General Administration of Customs (GACC), cleaned and structured by China Data Portal.
China Data Portal. "China Expansible polystyrene (HS 390311) Export Data." https://chinadata.live/china-trade/hs/390311/