Hengli Petrochemical's PS unit has two GPPS production lines with a combined capacity of 150,000 tons/year. Currently, one line is under short-term shutdown, while the other line is operating at normal load. Suppliers are adjusting prices according to market conditions, and sales performance is satisfactory. PriceSeek's analysis of PS: Bullish-Bearish Score: +1. The article indicates that a short-term shutdown of one production line at Hengli Petrochemical's PS unit has led to a reduction in supply, while the other line is operating normally with stable demand and satisfactory sales. The combination of reduced supply and stable demand provides favorable support for spot PS prices, with expectations of a slight price increase. A score of +1 indicates a generally positive outlook.