As of 2023, China's imports of polystyrene in primary forms were approximately 4.39 million metric tons. The forecast from 2024 to 2028 suggests a gradual increase in imports: 4.49 million metric tons in 2024, 4.58 in 2025, 4.68 in 2026, 4.77 in 2027, and 4.86 in 2028. The year-on-year growth rates reflect a steady rise in demand, with an average annual increase of around 2.0% (CAGR) over the forecasted period.

Future trends to watch include:

Potential regulatory changes in China's environmental policies affecting polystyrene usage and imports.
Technological advances leading to alternative materials may impact polystyrene demand.
Global market fluctuations and trade agreements influencing import strategies.