May 13 News — On May 13, the maleic anhydride market in Shandong region saw price increases. The ex-factory price for solid maleic anhydride ranged from 7,000 to 7,700 RMB/ton, while liquid maleic anhydride was priced between 7,400 and 7,500 RMB/ton. Major plants raised their execution prices. According to Chempricehub's assessment of maleic anhydride, the bullish/bearish score stands at 1. On the spot market, prices strengthened on May 13 in Shandong, driven by regional supply-demand dynamics and cost support, with major plants lifting their execution prices. Solid maleic anhydride ex-factory prices were in the range of 7,000–7,700 RMB/ton, and liquid maleic anhydride ex-factory prices ranged from 7,400 to 7,500 RMB/ton. This upward movement in spot prices represents a generally positive factor for maleic anhydride pricing.