According to the monitoring data of SunSirs, the average price of PS ordinary materials at the beginning of last week was 10,933 RMB/ ton, and the average price of PS ordinary materials at the weekend was 10,933 RMB/ ton. The price was stable, up 35.54% compared with the same period of last year.

The domestic PS market fluctuated upward, some manufacturers held steady, merchants mainly sold in advance, and small and medium-sized downstream just needed to purchase. Stimulated by the sharp rise of ethylene and the news of styrene overhaul in turn of Zhejiang Petrochemical, styrene rose broadly. Cost support, as well as tight spot resources, merchants' light warehouse increased, small and medium-sized traders' replenishment mood increased, and the trading was slightly better.

Tianjin Rentai restarted, CITIC Guoan increased production, and benzene penetration may continue to increase to alleviate the tight supply situation; Benzene in East China market received 10900-11600 RMB/ ton, the low-end increased by 200 RMB/ ton month on month, and the high-end was stable month on month.

The probability of increasing the ex-factory price of PS increases, and the market may rise to a certain extent. It is expected that China PS market may be strong in a narrow range in the short term.

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