On January 5, Shijiazhuang Bailong Chemical Co., Ltd. has a phthalic anhydride production capacity of 80,000 tons. The phthalic anhydride plant is operating normally, with low inventory, primarily for self-use. The phthalic anhydride quotation is 6,100 yuan/ton, representing an increase of 100 yuan/ton. PriceSeek analysis of phthalic anhydride, bullish-bearish score: 1.5. The phthalic anhydride quotation rose by 100 yuan/ton to 6,100 yuan/ton, indicating strong spot market demand or tight supply. The plant is operating normally, but inventory is low, and it is primarily for self-use, further reducing market circulation and intensifying supply shortage pressure. These factors collectively support the upward trend in spot prices, benefiting market sentiment.