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[PS Daily Review] Market Largely Stable with Minor Movements, Some Slightly Lower Than Expected

Longzhong 2025-09-17 16:49:42

1 Today's Summary

Today, the GPPS price in East China is stable at 7,600 RMB/ton.

② 、 On Wednesday, the East China styrene market fell by 15 to 7,180 yuan/ton, South China fell by 15 to 7,225 yuan/ton, and Shandong fell by 15 to 6,970 yuan/ton.

2 Spot Overview

Table 1 Domestic PS Price Summary (Unit: Yuan/Ton)

Today, the East China GPPS is stable at 7600 yuan/ton.Raw material styrene has shifted into oscillation, with the direction still unclear. The market is relatively stable with slight fluctuations, and some sales are slightly lower. The industry supply is ample, with downstream purchasing driven by basic needs, resulting in sluggish transactions.

Figure 1 Domestic PS Price Trend Chart from 2023 to 2025 (Yuan/Ton)	Figure 2: Domestic Styrene Price Trend Chart for 2023-2025 (Yuan/Ton)

Data source: Longzhong Information	Data Source: Longzhong Information

3 Production Dynamics

Table 2 Latest Developments of PS Production Facilities in China (Unit: 10,000 tons/year)

Data	Annual production capacity	Latest Updates
Shantou Facility	30	8 Starting from the 10th of the month, operations will increase to dual-line running.
Zhanjiang facility	10	8 Reduced to single-line operation on the 15th of the month; restored to double-line operation on August 22nd.
Zhoushan Device	40	8 Increased to 2 through 1 change on the 15th of the month.
Foshan device	20	8 The operation will be increased to double lines on the 22nd of the month.
Xinpu Chemical	21	9 Reduced to one line operation on the 13th.
Huizhou Plant	48	9 On the 16th of the month, increased to 4 and adjusted to run on line 1.

4 Price Prediction

The raw material styrene slightly increased and then fluctuated, leading to weaker cost indications. The industry supply is relatively abundant, and downstream buyers are purchasing based on low-level just-in-time demand. In the short term, the PS market may remain stable with narrow fluctuations, and some areas might see slightly lower sales. It is expected that the price of general-purpose and high-impact polystyrene in the East China market will be around 7600-8500 yuan/ton.

5 Data Calendar

Table 3 Overview of Domestic PS Data (Unit: 10,000 tons)

Data	Publication Date	Previous data	The trend for this period is expected.
PS Capacity utilization rate	Thursday 2:00 PM	61.9%	↗
PS Enterprise Inventory	Thursday 4:00 PM	9	↘
Data Source: Longzhong Information Remarks: 1 Consider ↑↓ as significant fluctuations, highlighting data dimensions with a change exceeding 3%. 2 Considered as narrow fluctuations, highlight data with changes within the range of 0-3%.

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[PS Daily Review] Market Largely Stable with Minor Movements, Some Slightly Lower Than Expected

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